Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick Air Cleaners Filters Intakes & Components AN-12 10 micron microglass element

AN-12 10 micron microglass element

Super lightweight

Corner pieces are slid inside rear section and then welded or bolted to required width

Features no side adjustments to rub hips

Firesleeve

Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick Air Cleaners Filters Intakes & Components AN-12 10 micron microglass elementSpecially 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",