Description

NGK Racing Series Spark Plug

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.
Fine wire iridium tipped center electrode improves ignitability, increases durability and enhances 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.

Product Specifications

Shell Thread Diameter 14mm Thread Pitch 1.25mm Seat Type Gasket Reach 19mm (3/4″) Hex Size 5/8″ (16mm) Terminal Type Solid Overall Height JIS Gap .028″ (0.7mm) Center Electrode Material Iridium Type Fine Wire Size 1.0mm Projection Projected Ground Electrode Material Nickel Type Standard Shape Taper Cut Quantity 1 Specifications Resistor Yes Resistor Value 5k Ohm Heat Range 8 Torque Specs Cast Iron: 1825.3 lb. ft. / Aluminum: 1821.6 lb. ft. Part Information Brand NGK/NTK