NGK Spark Plug, Each, D1:R5671A8, D1S:R 5671 A 8, JP1:R5671A8, JP1S:R

Description

NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions. Special Insulator Nose Configurations Improve Throttle Response Corrugated Ribs PreventFlashover Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer Copper Core Aids in Heat Removal Triple Seals Prevent Leakage Shell Thread Size: 14mm Thread Pitch: 1.25mm Seat Type: Gasket Resistor: No Reach: 19mm (3/4") Hex Size: 5/8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: .