Wilson Manifolds Carburetor Spacer - 4500 1" 4-Hole L/W Tapered Power Plus - Manhattan Oil 1988-1994 GMC C1500

1988-1994 GMC C1500

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Wilson Manifolds Carburetor Spacer - 4500 1" 4-Hole L/W Tapered Power Plus - Manhattan Oil 1988-1994 GMC C1500Nitrous 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