Allstar Performance Holley 4500 Open Carb Spacer - 1" Thick Helmet Air System Motor The CamLock buckle

The CamLock buckle

Pro Series 10-micron fabric replacement element

Provides exceptional clarity and no distortion

Aluminum Angle Stock

From street stock to super late model

Allstar Performance Holley 4500 Open Carb Spacer - 1" Thick Helmet Air System Motor The CamLock buckleSpecially 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",