Holley 750 CFM Aluminum Street HP Carburetor - Mechanical Secondary Bump Spring Cap Reductions in torsional vibrations provide

Reductions in torsional vibrations provide increased horsepower while improving engine durability

1988-1990 Chevrolet K3500All GM TH400 automatic transmissions

3/8 in NPT Male to 10 AN Male O-Ring

30 to 125 psi

rubber spacer blocks and retaining nuts

Holley 750 CFM Aluminum Street HP Carburetor - Mechanical Secondary Bump Spring Cap Reductions in torsional vibrations provideTire smoking performance has never been so affordable! The all new Aluminum Street HPs weigh up to 40% less and are even easier on your wallet. Holley is proud to introduce the all new Aluminum Street HP(TM). They utilize the best features from Holley's Race Bred 4150 HP(TM) carbs, but are tamed for street and light competition use. The Street HP features an aluminum contoured main body design taken from the race winning 4150 HP(TM) and has a tumble