Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick H76803FS thus forming a "V" shape

thus forming a "V" shape

O-Ring Seal

5-1/8 in Flange

additional face shields may be purchased separately

1 protects your investment while incorporating updated styling elements based on Bell's original all leather helmet bag

Allstar Performance Holley 4500 4-Hole Carb Spacer - 1/2" Thick H76803FS thus forming a "V" shapeSpecially 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",