Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick H76803FS floating single-tether design allows for

floating single-tether design allows for maximum mobility while providing a high level of protection at multiple angles

thus forming a "V" shape

5-1/8 in Flange

Various Fabricated Arms / Spindles

Fits Bell BR8

Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick H76803FS floating single-tether design allows forSpecially 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",