Allstar Performance 1" Phenolic Carb Spacer - 4 Hole 4122BU 10 micron replacement elementAeromotive Inc

10 micron replacement elementAeromotive Inc

Kit includes pre-bent and notched 1-3/4" x

A true performance EFI Regulator designed for medium to high horsepower marine applications

and K1 Pro helmets to allow these models to be adapted for use as a top forced air helmet

Allstar Performance 1" Phenolic Carb Spacer - 4 Hole 4122BU 10 micron replacement elementAeromotive IncSpecially 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",