Professional Products Cyclone Intake Manifold Features: Stock Replacement Street Legal Part Includes A Special Carb Adapter Allows Use Of Aftermarket Square Bore Carburetors Excellent Street Performance Manifold Four Corner Water Ports Height: 6.00 Width: 11.00 Length: 24.00 Weight: 20.00 lbs Fitment: 1983/GMC/K3500/Sierra Classic Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1983/GMC/K3500/Sierra Classic Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1983/GMC/K3500/Sierra Classic Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1983/GMC/K3500/Sierra Classic Cab & Chassis 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1983/GMC/K3500/High Sierra Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1983/GMC/K3500/High Sierra Crew Cab Pickup 4-Door...