Allstar Performance Holley 4500 Open Carb Spacer - 1/2" Thick H76001FS 6 AN Female Return

6 AN Female Return

Using the included three bar slide you can mount the belts by either wrapping them around a rollbar or by bolting them in place

1965-1974 Oldsmobile Delta 88

Trifecta Phantom

Fits SRW and DRW

Allstar Performance Holley 4500 Open Carb Spacer - 1/2" Thick H76001FS 6 AN Female ReturnSpecially 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",