Throttle Body Spacer; Installs In 30-45 Minutes Comes with bolts and Garlock gaskets; Developed to enhance off-idle torque from 800 rpm to approximately 3,000 rpm, Helix Bore design spins the incoming air charge as it passes through the throttle body spacer. This spinning action boosts the velocity of the incoming air and contributes to better atomization of the air/fuel mixture as the air charge enters the combustion chamber. The end result is more part-throttle torque, improved mid-range power, and overall combustion efficiency for better fuel economy. Fits: CHEVROLET C1500 PICKUP 1988-1995 V8 5.7L, V6 4.3L CHEVROLET C3500HD 1992-1995 V8 5.7L CHEVROLET K1500 PICKUP 1988-1995 V8 5.7L, V6 4.3L CHEVROLET S10 PICKUP 1994-1995 V6 4.3L GMC C1500 PICKUP 1989-1995 V6 4.3L, V8 5.7L GMC C2500 PICKUP 1989-1995 V6 4.3L, V8 5.7L GMC C3500 PICKUP 1989-1995 V8 5.7L GMC C3500HD 1992-1995 V8 5.7L GMC K1500 PICKUP 1989-1995 V6 4.3L, V8 5.7L GMC K2500 PICKUP 1989-1995 V6 4.3L, V8 5.7L GMC K3500 PICKUP 1989-1995 V8 5.7L
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