Holley Aluminum Tall LS Valve Covers - Satin Black - Black - GM LS-Series R060004XL Aggressive Exterior & Interior Sound

Aggressive Exterior & Interior Sound

The ZK-40 was designed for use in races where a CIK-FIA approval was not required

1967-1985 Mercury Cougar

No provisions for exhaust heated chokes or EGR

320" Gasket BoreSince 1989

Holley Aluminum Tall LS Valve Covers - Satin Black - Black - GM LS-Series R060004XL Aggressive Exterior & Interior SoundHolley's tall LS valve covers are the latest addition to our extensive line of LS engine components that will add a custom touch to your engine bay and help you to stand out from the crowd. These valve covers were designed to add an additional 0. 54"? of internal clearance over factory height valve covers. The valve covers retain Holley's signature integrated angled coil mounts, and the hi tech look and performance of coil on cover applications. The