NGK Racing Spark Plug Box of 4 (R7434-10)
NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire iridium tipped center electrode and platinum tipped ground electrode improve ignitability, increase durability and enhance anti fouling capabilities. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.
- Thread Diameter 14mm
- Thread Pitch 1.25mm
- Seat Type Gasket
- Reach 19mm (3/4")
- Hex Size 5/8" (16mm)
- Terminal Type Solid
- Overall Height ISO
- Gap .028" (0.7mm)
- Center Electrode
- Material Iridium
- Type Fine Wire
- Size 0.6mm
- Projection Non-Projected
- Ground Electrode
- Material Platinum
- Type Slant
- Resistor Yes
- Resistor Value 5k Ohm
- Heat Range 10
- Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
- Brand NGK/NTK
