Replacement oil cap from Aeroflow Performance is specifically designed to suit GM LS factory tall design and all retro cast design valve covers (AF77-5019, AF77-5020, AF77-5021 and AF77-5022). This is great for those who are missing or wanting to replace the oil cap on the Aeroflow Performance valve covers. Available in natural cast, black and polished finishes and sold individually.
Thread is 1-5/16"-12