DCPR8EIX Iridium Spark Plug NGK 6546 S3-Cat-Mufflers-Arrowclearance Adjustable design accommodates a wide

Adjustable design accommodates a wide range of piston diameters for various engine types

Thermal lining retains heat to prevent numbness during winter morning commutes

The twisting action of the X-Ring® increases its sealing performance and its four contact points minimize power loss

Pre-drilled markings assist with accurate alignment and drilling during installation

Its lightweight construction reduces rotating mass

DCPR8EIX Iridium Spark Plug NGK 6546 S3-Cat-Mufflers-Arrowclearance Adjustable design accommodates a wideUpgrade your ignition system with this premium Iridium IX spark plug, designed for enthusiasts seeking maximum performance. The fine wire center electrode ensures high durability and a consistently stable spark under demanding conditions. Iridium alloy has an extremely high melting point, perfect for today's high tech, high performance engines. Trivalent metal plating offers superior anti corrosion and anti seizing properties. Tapered cut ground