Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick 91629059 A1000 Stealth

A1000 Stealth

Mild 1-3/4" x

1975-1976 GMC G25

• Exceptional ergonomics and comfort

Includes an assembled bar loop with lift post and pre-cut mounting bars to be welded in place

Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick 91629059 A1000 StealthSpecially 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",