Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Satin Black Machined Silverado 1500/ Sierra 1500 585 CFM Measured @ 7"

585 CFM Measured @ 7" H2O

Replaces hydraulic roller lifters with solid flat tappets and adjustable rockers to eliminate failure points

Ball joint cap must be removed for maintenance of ball joint

so you can be sure that your lights will always perform at their best

BD's exclusive Variable Orifice Technology creates uniform controlled pressure regulation through the RPM range

Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Satin Black Machined Silverado 1500/ Sierra 1500 585 CFM Measured @ 7"Each 2 Piece LS valve cover set includes a low profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, and 12 point dress up hardware and rubber grommets for the coil covers. These modular LS valve covers are available in 5 unique finishes: natural cast, polished, satin black, factory orange, and gloss red (black, factory orange and gloss red sets feature machined fins).