04-10 Duramax LLY LBZ LMM PPE Billet Valve Cover Kit With Pillars Color:Red A must have for performance

A must have for performance enthusiasts running 50 PSI or greater Includes (24) performance valve springs

Our performance intercooler is designed with both quality and affordability in mind

The HSP intake delivers the power numbers you desire

Great insurance against future up-pipe failure

04-10 Duramax LLY LBZ LMM PPE Billet Valve Cover Kit With Pillars Color:Red A must have for performanceDress up your GM 6. 6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of . 75" 19mm, 6061 T6 aluminum on a multi axis mill. The PPE Billet Aluminum Valve Covers are a direct, bolt on replacement, which retain the factory gaskets, bolts and grommets, and include a 3 4" 16 O ring boss style crankcase ventilation