PPE Performance Billet Aluminum Valve Cover Kit - With Pillars (Blue) For 04.5-10 6.6 Duramax 1999-2003-7-3l-powerstroke The Allilocker™ operation is simple

The Allilocker™ operation is simple

Airflow Gain 66% over stock

This means less places to leak and much quicker install

Rated at 100 gallons per hour and backed by our limited lifetime warranty the Titanium Signature Series lift pump is capable of supporting your GM Duramax 6

PPE Performance Billet Aluminum Valve Cover Kit - With Pillars (Blue) For 04.5-10 6.6 Duramax 1999-2003-7-3l-powerstroke The Allilocker™ operation is simpleDress 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