Allstar Performance 1" Phenolic Carb Spacer - 4 Hole 4122BU 90 in Thick

90 in Thick

From street stock to super late model

shoulder strap

HEI Style Terminal

1968-1974 Chevrolet K10 Suburban

Allstar Performance 1" Phenolic Carb Spacer - 4 Hole 4122BU 90 in ThickSpecially 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",