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ACCEL U-Groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response & fuel economy, less fouling. Purified Alumina insulator prevents arcing. Machine rolled threads protect heads. - Improved ignitability equals more power
- Improved throttle response, fuel economy & less emissions
- Machine rolled threads for trouble free installation & removal as well as protect heads
- Heat Range: Hot
- Thread: 14mm
- Socket Size: 13/16in
- Reach + Tip: 3/8" Non Projected
- Seat: Gasket (flat)
- Standard/Resistor: Standard
- Nominal Gap: 035
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