JE Pistons SB Chevy Domed Piston Set 4.125 Bore +4.5cc BR1006 Under frame kit designed to

Under frame kit designed to work with most in-bed hitches

Two Choices of Tailpipe Exits

NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal

Fits Holley Model 4150 HP™ and 4500 Dominator® carburetors Originally Designed for Alcohol

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