Wilson Manifolds Carburetor Spacer - 4500 1.5" 4-Hole L/W Tapered HASZ15DK A member of the ITW

A member of the ITW Global Brands portfolio

Only For Use With MSD 6/7 Series Ignitions

1963 Chevrolet Bel Air Base CID 427 Naturally Aspirated GAS

EV1 / Impact Offset Evo

4 AN Male to 3 AN Male O-Ring

Wilson Manifolds Carburetor Spacer - 4500 1.5" 4-Hole L/W Tapered HASZ15DK A member of the ITWNitrous Pro Flow Tapered Spacers feature a computer generated variable radius taper design that maximizes the airflow through the carburetor and enhances air fuel distribution for more horsepower. Part throttle performance and distribution are improved by redirecting the flow pattern created by the partially open throttle blades and gradually reducing the velocity of the air fuel mixture entering the plenum to allow for a smoother transition into each