Champion Spark Plug 121 For Chevrolet GMC Pontiac C10 C20 C20 C30 70-90
$12.04
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SKU
SP:BX:CHA:121:1
Compatibility
Please enter your vehicle´s Year, Make, & Model to confirm fitment.
(Read all notes & compare with your vehicle)
Compatibility
| Make | Model | Year | Engine | Notes |
|---|---|---|---|---|
| Chevrolet | K20 Suburban | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 2BBL |
| Chevrolet | K20 Suburban | 1976-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| Chevrolet | K20 Suburban | 1976-1980 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | K20 Suburban | 1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | K20 Suburban | 1976-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | K20 Suburban | 1980 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 Suburban | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1976-1982 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | C20 Suburban | 1977-1982 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| Chevrolet | C20 Suburban | 1976-1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 4BBL |
| Chevrolet | C20 Suburban | 1975-1982 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | C20 Suburban | 1975-1982 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | C20 Suburban | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 2BBL |
| Chevrolet | C20 Suburban | 1972-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1970-1972 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1972-1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C20 Suburban | 1970-1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1974 | 5.7L 350Cu. In. V8 LPG Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1974 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | C20 Suburban | 1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Suburban | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Suburban | 1973-1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | Gap: .035; OE Style; VIN: Z, 4BBL |
| Chevrolet | C10 Suburban | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: Y, 4BBL; w/o high energy ignition |
| Chevrolet | C10 Suburban | 1971 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Suburban | 1979 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C10 Suburban | 1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Suburban | 1979 | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | K10 Suburban | 1975-1985 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL; w/propane use 144 gapped at .025'' |
| Chevrolet | K10 Suburban | 1976-1978 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K10 Suburban | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | G30 | 1977-1979 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | G30 | 1976-1988 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| Chevrolet | G30 | 1976-1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | G30 | 1976-1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 4BBL |
| Chevrolet | El Camino | 1972-1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | Gap: .035; OE Style; VIN: Y, 4BBL |
| Chevrolet | El Camino | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | El Camino | 1972 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | El Camino | 1972 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K30 | 1983-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | K30 | 1983-1986 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| Chevrolet | K30 | 1983-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| Chevrolet | K30 | 1985-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P30 | 1975-1988 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | P30 | 1975-1988 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | P30 | 1976 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 4BBL |
| Chevrolet | P30 | 1976-1988 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | C30 Pickup | 1973-1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | Gap: .035; OE Style; VIN: Z, 4BBL |
| Chevrolet | C30 Pickup | 1972-1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C30 Pickup | 1972-1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 Pickup | 1972 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | C30 Pickup | 1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C30 Pickup | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 Pickup | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 Pickup | 1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P20 | 1976-1979 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: Y, 4BBL |
| Chevrolet | P20 | 1975-1979 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | P20 | 1975-1989 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| Chevrolet | G10 | 1975-1981 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | G20 | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| Chevrolet | G20 | 1975-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: M, 4BBL |
| Chevrolet | G20 | 1975 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; HD; OE Style; w/o high energy ignition; |
| Chevrolet | K20 Pickup | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | Gap: .035; OE Style; VIN: L, 4BBL |
| Chevrolet | C10 | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | C10 | 1978-1981 | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C10 | 1975-1980 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C10 | 1975-1980 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 | 1976-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C10 | 1977-1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C10 | 1980 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | R30 | 1987-1988 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; CARB; OE Style |
| Chevrolet | R30 | 1987-1988 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; CARB; OE Style |
| Chevrolet | R30 | 1987-1988 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 | 1975-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 | 1975-1986 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| Chevrolet | C30 | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| Chevrolet | C30 | 1977-1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C30 | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C30 | 1975-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C30 | 1978 | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | C20 | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; VIN: M |
| Chevrolet | C20 | 1977-1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C20 | 1975-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 | 1975-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 | 1977-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | C20 | 1975-1986 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | G20 Van | 1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | G20 Van | 1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G20 Van | 1974 | 5.7L 350Cu. In. V8 LPG Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G20 Van | 1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | G20 Van | 1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G20 Van | 1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G20 Van | 1974 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | G20 Van | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 | 1975-1980 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 | 1975-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | P10 | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| Chevrolet | K10 | 1975-1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K10 | 1977-1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K10 | 1979 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K10 | 1975-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | K10 | 1975-1979 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1972-1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C20 Pickup | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1970-1972 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C20 Pickup | 1972-1973 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | C20 Pickup | 1972 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C50 | 1985-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C50 | 1985-1990 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .045 Gap; OE Style; |
| Chevrolet | K20 | 1977-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; VIN: M |
| Chevrolet | K20 | 1977-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K20 | 1977-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K20 | 1977-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K20 | 1977-1980 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | K5 Blazer | 1976-1980 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; HD; OE Style; |
| Chevrolet | K5 Blazer | 1976-1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| Chevrolet | B60 | 1985-1990 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .045 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1972-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1973-1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1972-1974 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| Chevrolet | C10 Pickup | 1972-1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| Chevrolet | C10 Pickup | 1972-1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1974 | 5.7L 350Cu. In. V8 LPG Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1972-1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C10 Pickup | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 Van | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 Van | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 Van | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P10 Van | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | V20 | 1987 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G30 Van | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G30 Van | 1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G30 Van | 1972-1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G30 Van | 1972-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P20 Van | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P20 Van | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P20 Van | 1972 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G10 Van | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G10 Van | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | G10 Van | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K30 Pickup | 1970-1971 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | K30 Pickup | 1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P30 Van | 1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | P30 Van | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| Chevrolet | C60 | 1989 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .045 Gap; OE Style; |
| GMC | C25 Suburban | 1977 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: S, 4BBL |
| GMC | C25 Suburban | 1975-1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: V, 2BBL; w/o high energy ignition |
| GMC | C25 Suburban | 1975-1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | C25 Suburban | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 2BBL |
| GMC | C1500 Suburban | 1979-1980 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| GMC | C1500 Suburban | 1979-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | C1500 Suburban | 1979-1981 | 5.7L 350Cu. In. V8 DIESEL OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | C15 Suburban | 1976 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: L, 4BBL |
| GMC | K25 | 1975-1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: Y, 4BBL; w/o high energy ignition |
| GMC | K25 | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 2BBL |
| GMC | K25 | 1977 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: S, 4BBL |
| GMC | K25 | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Exc Calif; Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | K25 | 1975-1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | K25 | 1977 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | C2500 | 1980-1982 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | C2500 | 1980-1982 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: S, 4BBL |
| GMC | C2500 | 1982 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| GMC | C2500 | 1980-1982 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | C3500 | 1980-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL; w/propane use 144 gapped at .025'' |
| GMC | C3500 | 1980-1986 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| GMC | C3500 | 1980-1986 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C3500 | 1980-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K1500 Suburban | 1982-1984 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | K2500 | 1982-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | K2500 | 1982-1986 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| GMC | K2500 | 1982 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| GMC | K35 | 1977-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Exc Calif; Gap: .035; HD; OE Style; VIN: L, 4BBL |
| GMC | K35 | 1977-1978 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | K35 | 1977-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | K35 | 1977 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | G2500 | 1979-1984 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G2500 | 1979-1980 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | C35 | 1975-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: Y, 4BBL; w/o high energy ignition |
| GMC | C35 | 1975-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL; w/o high energy ignition |
| GMC | C35 | 1978 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C35 | 1978 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C35 | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C35 | 1978 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | G1500 | 1979-1983 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G1500 | 1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | G35 | 1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G35 | 1977 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | G35 | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | G35 | 1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | K3500 | 1981 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| GMC | K3500 | 1981 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | K3500 | 1981 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | Jimmy | 1981 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | Jimmy | 1973-1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1972-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1972-1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1972-1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Jimmy | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P3500 | 1979-1988 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: W, 4BBL |
| GMC | P3500 | 1979-1988 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: M, 4BBL |
| GMC | P3500 | 1979-1988 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: T, 1BBL |
| GMC | G3500 | 1979-1984 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G3500 | 1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | P35 | 1976-1977 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: Y, 4BBL |
| GMC | P35 | 1976-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | P35 | 1977-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | Sprint | 1972 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: J, 4BBL |
| GMC | Sprint | 1972 | 6.6L 6555CC 400Cu. In. V8 GAS OHV Naturally Aspirated | 4BBL; Gap: .035; OE Style |
| GMC | Sprint | 1972 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .035; OE Style; VIN: W, 4BBL |
| GMC | Sprint | 1972 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | Sprint | 1972 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | G15 | 1976 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 4BBL |
| GMC | G15 | 1975-1976 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G25 | 1975-1978 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: R, 4BBL |
| GMC | G25 | 1975-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | G25 | 1977 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | Gap: .035; HD; OE Style; VIN: T, 1BBL |
| GMC | G25 | 1977-1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: U, 2BBL |
| GMC | G25 | 1975-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | G25 | 1975 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P25 | 1977-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | Exc Calif; Gap: .045; HD; OE Style; VIN: L, 4BBL |
| GMC | P25 | 1977-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Pickup | 1973-1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | Gap: .035; OE Style; VIN: Z, 4BBL |
| GMC | C15/C1500 Pickup | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Pickup | 1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | C15/C1500 Pickup | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | C15/C1500 Pickup | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P2500 | 1984-1987 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P2500 | 1984-1987 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| GMC | P2500 | 1984-1985 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15 | 1976 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C15 | 1976 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; 4BBL; HD; OE Style |
| GMC | C15 | 1976 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P35/P3500 Van | 1972 | 6.6L 400Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P35/P3500 Van | 1972 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | P35/P3500 Van | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C25/C2500 Suburban | 1970 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C25/C2500 Suburban | 1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1973-1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1970 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1973-1974 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | K35/K3500 Pickup | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1973-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1973-1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1970 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1974 | 5.7L 350Cu. In. V8 LPG Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | K35/K3500 Pickup | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K35/K3500 Pickup | 1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | G35/G3500 Van | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | G35/G3500 Van | 1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | G35/G3500 Van | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | G35/G3500 Van | 1973 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | G35/G3500 Van | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C25 | 1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; Exc Calif; HD; OE Style; |
| GMC | C25 | 1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C25 | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C25 | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; Exc Calif; HD; OE Style; |
| GMC | C25 | 1977 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K2500 Suburban | 1982 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| GMC | K2500 Suburban | 1982 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K15/K1500 Pickup | 1972-1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | K15/K1500 Pickup | 1972-1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | K15/K1500 Pickup | 1970-1972 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15/K1500 Pickup | 1972-1973 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | K15/K1500 Pickup | 1972-1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K1500 | 1979 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K1500 | 1979 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K1500 | 1979 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K1500 | 1979 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K1500 | 1979 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C2500 Suburban | 1983-1986 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | C2500 Suburban | 1983-1986 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1974 | 5.7L 350Cu. In. V8 LPG Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973-1974 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | C35/C3500 Pickup | 1973-1974 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973-1974 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1974 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973-1974 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C35/C3500 Pickup | 1973-1974 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | C35/C3500 Pickup | 1974 | 5.7L 5737CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C1500 | 1983 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K15/K1500 Suburban | 1971 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15/K1500 Suburban | 1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15/K1500 Suburban | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | K15/K1500 Suburban | 1973 | 5.7L 5736CC 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | K15/K1500 Suburban | 1973 | 5.7L 5736CC 350Cu. In. V8 LPG OHV Naturally Aspirated | .025 Gap; LPG; OE Style |
| GMC | K15/K1500 Suburban | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15/K1500 Suburban | 1973 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K25 Suburban | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; Exc Calif; HD; OE Style; |
| GMC | K25 Suburban | 1977 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K25 Suburban | 1977 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K25 Suburban | 1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; Exc Calif; HD; OE Style; |
| GMC | K25 Suburban | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K25 Suburban | 1977 | 4.8L 292Cu. In. L6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15 Suburban | 1975-1978 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; Exc Calif; HD; OE Style; |
| GMC | K15 Suburban | 1975-1978 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K15 Suburban | 1978 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K25/K2500 Pickup | 1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | K15 | 1977 | 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; HD; OE Style; |
| GMC | K15 | 1977 | 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; Exc Calif; HD; OE Style; |
| GMC | K15 | 1977 | 6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; Exc Calif; HD; OE Style; |
| GMC | C15/C1500 Suburban | 1970-1971 | 6.6L 6588CC 402Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Suburban | 1973 | 5.7L 350Cu. In. V8 GAS Naturally Aspirated | .035 Gap; GAS; OE Style |
| GMC | C15/C1500 Suburban | 1973 | 7.4L 7439CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Suburban | 1973 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Suburban | 1970-1971 | 6.6L 402Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Suburban | 1973 | 7.4L 7441CC 454Cu. In. V8 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | C15/C1500 Suburban | 1973 | 7.4L 454Cu. In. V8 GAS Naturally Aspirated | .035 Gap; OE Style; |
| GMC | R2500 | 1988 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| GMC | V3500 | 1989 | 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated | .045 Gap; CARB; OE Style |
| GMC | P15 | 1976-1978 | 4.8L 292Cu. In. l6 GAS OHV Naturally Aspirated | .035 Gap; OE Style; |
| Pontiac | Ventura | 1972 | 5.0L 5031CC 307Cu. In. V8 GAS OHV Naturally Aspirated | .040 Gap; OE Style; |
| Pontiac | Ventura | 1972 | 5.0L 307Cu. In. V8 GAS Naturally Aspirated | .040 Gap; OE Style; |
***MUST Read IMPORTANT PART DETAILS on Compatibility Chart***
Replaces the Following Part Numbers
| Part Number | 121 |
|---|---|
| Brand | Champion |
| Part Type | Spark Plug |
| Warranty | 1 Year Replacement Warranty!! |
| Condition | New |
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