U-Groove Spark Plug Header Plug; 14mm Thread; Cooper; Shorty Plug For Headers; .750 in. Reach; Champion RC8/RC9/RC10 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.
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 |
|---|---|
| 1986-1987 | Buick Regal |
| 1987 | Chevrolet Camaro |
| 1986-1990 | Chevrolet Caprice |
| 1986-1987 | Chevrolet Corvette |
| 1985-1987 | Oldsmobile Cutlass Salon |
| 1985-1988 | Oldsmobile Cutlass Supreme |