Holley Carburetor Fast Kit - Model Number 4500 M59XS1 allowing the shock shaft to

allowing the shock shaft to move freely during suspension travel

machined so they can be tightened without binding

63cc Combustion Chamber

1984-1995 GMC K3500

3/4" 36-Spline

Holley Carburetor Fast Kit - Model Number 4500 M59XS1 allowing the shock shaft toThe 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