NGK Race Spark Plug Heat Range 9 for VR38DETT GT-R R35 gsc cams HKS 4" Titanium Racing Exhaust

HKS 4" Titanium Racing Exhaust for 1993-1998 Toyota Supra Turbo

air temperature and knock

AEM has a comprehensive line of highly accurate

AMS Engineers took this as a challenge when they were creating our solid GTR engine mount system

NGK Race Spark Plug Heat Range 9 for VR38DETT GT-R R35 gsc cams HKS 4" Titanium Racing ExhaustThe NGK race plugs are what we use and recommend for over 2000hp in the VR38. We offer both 9 and 10 heat ranges, which is one or two steps colder than the stock plugs. We recommend heat range 9 for cars making up to 1,600whp using gas or ethanol fuels, and heat range 10 for anything over that running ethanol or methanol. Price is per plug.