Each valley cover is custom machined for either LS1/LS6 (10 bolt) or LS2/LS3/LS7/LSX (11 bolt) patterns and Holley / Mr. Gasket offers all the necessary gaskets and upgraded hardware options to complete your installation. The new LS valley covers with oil fill provisions are available in three unique finishes: natural billet (clear anodized for protection), polished billet, and black anodized billet.

Features

Precision manufactured from billet aluminum with a modern, race inspired, trussed design

Available for GM LS1/LS6 (10 bolt) and LS2/LS3/LS7/LSX (11 bolt) engine applications

Features integrated oil fill neck with included billet aluminum oil fill cap (Holley P/N 241-225)

Smooth underside allows for elimination of Displacement-On-Demand (DOD)* and offers ample gasket sealing surface

All necessary gaskets and upgraded mounting hardware sold separately

Available in three unique finishes: natural billet (clear anodized for protection), polished billet, and black anodized billet