Muscle Series Valve Covers for Small Block Chevy Engines Polished Finish 241-137 hydramat 5 Construction Billet Emission Code

5 Construction Billet Emission Code 5 Material 6061 Aluminum Product Type Wheel Spacer Quantity 2 Spacer Size (mm) 3 Warning California Proposition 65

1966-1967 Chevrolet Impala 283 CID

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5 Part Number 38405

Muscle Series Valve Covers for Small Block Chevy Engines Polished Finish 241-137 hydramat 5 Construction Billet Emission CodeOverview: Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970's era GM factory L82 LT1 Z28 equipped engines. These valve covers are a continuation of Holley's Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley