Precision Works Oil Bypass Check Valve Plug Fits LS1 LS2 LS3 Engine Mounts K-Series Header

K-Series Header

while the Helmholtz resonator version will help with the typical exhaust drone noise while maintaining the sporty sound your Camaro should sound

Muffler Deletes

5” Exhaust Adapter Flange

designed for high-performance builds demanding consistent fuel delivery

Precision Works Oil Bypass Check Valve Plug Fits LS1 LS2 LS3 Engine Mounts K-Series HeaderPrecision Works Oil Bypass Check Valve Plug Our Billet Bypass Delete replaces the factory check valve preventing unfiltered oil from getting into the engine. The factory bypass check valve is a safety in case the oil filter never gets changed and the filter gets restricted. Most oil filters already have a bypass built into them for this reason. The factory check valve can open with oil pressure surges, letting unfiltered oil by and into the bearings.