NGK (R7437-8) Iridium Racing (One Step Colder) Spark Plugs Mitsubishi EVO 9 2006 (Qty 4) | 4901 vendor_NGK Plugs Cerametallic friction material can handle

Cerametallic friction material can handle much more slippage than stock type disc assemblies

Part #: HD0405SBIMP-CWII

The OEM Subaru EJ255 head gasket is multi-layered steel

The FP Green turbocharger for the Subaru WRX/STi features the 76 HTZ compressor section with your choice of 60MM small inlet or the 84MM Flow Advancement Port compressor cover coupled to the 8cm2 turbine housing

The coating is designed to reduce friction on the skirt by providing a buffer to the cylinder

NGK (R7437-8) Iridium Racing (One Step Colder) Spark Plugs Mitsubishi EVO 9 2006 (Qty 4) | 4901 vendor_NGK Plugs Cerametallic friction material can handleFitment Information: 2006 Mitsubishi EVO 9 Features: Sold as a set of 4 spark plugs Trivalent metal plating provides superior anti corrosion and anti seizing properties 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 60 Days manufacturer Warranty ShellSpark Plug Thread Diameter: 14mmThread Pitch: 1. 25mmSeat