The 2-Piece Finned Valve Cover - Gen III/IV LS - Polished from Holley is a valve cover engineered and manufactured to Holley's specifications for consistent fit and function.

Holley 241-181 Specifications:

• Cast aluminum 2-Piece LS valve covers designed to mount and hide both Gen I and Gen V style LS coil bodies.
• Retain the performance of factory coil-on-cover ignition without the unsightly styling.
• Base fits LS1, LS2, LS3, LS6 and LS7 engines.
• Base features internally baffled ventilation system.
• Clearance for .750 in. lift cam with stock style rocker arms.
• Coil cover features Holley vintage style fins and cast-in wiring provisions.