U-Groove Spark Plug Header Plug; 14mm Thread; Shorty Plug For Headers; .750 in. Reach; Champion RC12/RC13/RC14 Heat Ranges; 4 Pack;
ACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads.
- Header-Box
- U-Groove Ground Electrode
- Five-Rib Aluminum Insulator
- Copper Core Nickel/Chrome Steel
- Electric Heat Seal
- Copper-Glass Gas-Tight Seal
- Less Flame Dissipation
Application Summary:
| Year | Make/Model |
|---|---|
| 1965-1966 | Buick Gran Sport |
| 1986-1987 | Buick Regal |
| 1965-1966 | Buick Skylark |
| 1987 | Chevrolet Camaro |
| 1986-1990 | Chevrolet Caprice |
| 1986-1987 | Chevrolet Corvette |
| 1968-1969 | Chrysler 300 |
| 1968-1969 | Chrysler New Yorker |
| 1970 | Dodge Challenger |
| 1970-1972 | Dodge Charger |
| 1974 | Dodge Charger |
| 1970 | Dodge Coronet |
| 1974 | Dodge Coronet |
| 1970 | Dodge Monaco |
| 1970-1973 | Dodge Polara |
| 1970 | GMC Jimmy |
| 1968-1969 | Oldsmobile Cutlass |
| 1985-1987 | Oldsmobile Cutlass Salon |
| 1972-1973 | Oldsmobile Cutlass Supreme |
| 1985-1988 | Oldsmobile Cutlass Supreme |
| 1969-1973 | Oldsmobile Delta 88 |
| 1969 | Oldsmobile F85 |
| 1969 | Oldsmobile Vista Cruiser |
| 1972-1973 | Plymouth Fury |
| 1972-1974 | Plymouth Fury I |
| 1973 | Plymouth Gran Fury |
| 1969 | Plymouth GTX |
| 1970-1971 | Plymouth Road Runner |
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