Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick H77703FM Nerf Bar / Bumper Fastener

Nerf Bar / Bumper Fastener

X1 Series - Carb Standard Bypass RegulatorAeromotive Inc

This model packs awesome features

you can have the front end setting adjustments your modified needs

this bracket allows clearance for the alternator belt no matter where the alternator is mounted

Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick H77703FM Nerf Bar / Bumper FastenerSpecially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold plenum for better air flow. Spacers are CNC machined in the U. S. from a polymer compound able to withstand temperatures up to 400F. Available in open or four hole versions for 4150 and 4500 series Holley and Holley style carburetors in 1 2", 1",