Wilson Manifolds Tapered Carburetor Spacer - Holley 390 CFM (1.55" Bore) Spacer - 1" Tall - 4-Hole Helmet Air System Rocker Switch Panel 3/8" Barb for pressure relief

3/8" Barb for pressure relief

Edelbrock Victor E 23 Degree Manifold

Roller Camshaft

Black Anodized CNC Machined Aluminum ComponentsVehicle Applications: Chevrolet Silverado & GMC Sierra 2500 HD: 2011 - 2019

Wilson Manifolds Tapered Carburetor Spacer - Holley 390 CFM (1.55" Bore) Spacer - 1" Tall - 4-Hole Helmet Air System Rocker Switch Panel 3/8" Barb for pressure reliefWilson Manifolds' Carburetor Spacers have been used by more pole, race, and championship winning teams than any other brand in the world. Our Spacers have been developed through years of testing with the top race teams in nearly all forms of motorsports. Wilson Manifolds offers the largest selection of spacer designs and heights in the industry. This assures that we have a spacer design for virtually all classes of racing that will provide optimum