Holley GM Muscle Series Center Bolt Valve Covers

Holleys new GM Muscle Series accessories are the latest expansion to our officially licensed GM product line. These die-cast aluminum valve covers and air cleaner kits were designed to have a no-frills, modern style with prominent raised GM œChevrolet and Bowtie logos. Intended as an alternative to the existing GM ZZ6 accessories, Holleys GM Muscle Series dress up accessories can be the perfect addition to your engine bay if you are searching for a subtly custom variation from the OEM options. All GM Muscle Series accessories are available in four custom finishes: natural cast, polished, satin black, and factory orange (all finishes have machined œChevrolet and Bowtie logos aside from polished version). The Small Block Chevy center bolt valve covers (designed to fit Vortec/ZZ4/ZZ5/ZZ6) feature a generous internal height for exceptional valve train clearance and include pre-installed internal baffling, polished mounting hardware, and oil fill / PCV grommets (valve cover gaskets not included).

Features:Features clean, modern styling with high definition œChevrolet and Bowtie logo

Specifically designed for GM ZZ6 engines, but will fit all Small Block Chevy applications with center bolt style cylinder heads (Vortec, ZZ4, ZZ5, ZZ6) “ polished mounting hardware included

Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks

Emissions compliant valve covers include pre-installed internal oil baffles as well as an oil fill plug and PCV grommet

Offered in four unique finishes to fit your style: natural cast aluminum with machined logo (ready for custom paint), polished, satin black with machined logo, and factory orange with shaved fins and logo

SPECS: Application: GM SBC ZZ6/Vortec

Baffle Included: Yes

Bolt Pattern: Center Bolt

Brand: Holley

Breather(s) Included: No

Finish: Polished

Gaskets Included: No

Gromment(s) Included: Yes

Hardware Included: Yes

Height: Standard

Material: Cast Aluminum

Mounting Hardware Included: Yes

Product Type: Valve Cover

Part Number: 241-291

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