Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick 1010-17 Easy Access Fully Adjustable Mechanical

Easy Access Fully Adjustable Mechanical Advance

Spark Plug

0-2000 psi

1957-1963 Oldsmobile Fiesta

The PRO CLAMP connector can be used on any rubber or stainless steel braid hose

Allstar Performance Holley 4500 Open Carb Spacer - 2" Thick 1010-17 Easy Access Fully Adjustable MechanicalSpecially 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",