Holley Carburetor Fast Kit - Model Number 4150 950 CFM. RS003C1510 Longer spring for wider range

Longer spring for wider range of adjustment (40 - 130 PSI)

2011-2011 Ford Mustang

1968-1976 Oldsmobile Delta 88

1970 Chevrolet Biscayne Base CID 400 Naturally Aspirated GAS

Standard height valve cover with pre-installed internal oil baffles

Holley Carburetor Fast Kit - Model Number 4150 950 CFM. RS003C1510 Longer spring for wider rangeThe economical way to rebuild virtually any Holley 4 bbl carburetor. Includes fuel bowl gaskets, base gasket, throttle body gasket, accelerator pump diaphragms, needle & seat assemblies, power valves, bowl screw gaskets and instructions. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power