Allstar Performance 1" Phenolic Carb Spacer - Contoured Hole Arm Restraints SFI homologated to the SFI

SFI homologated to the SFI 3

And it's whisper quiet

1986-1996 Oldsmobile 98

Medium (50-52)

induction-hardened ring gears for maximum life

Allstar Performance 1" Phenolic Carb Spacer - Contoured Hole Arm Restraints SFI homologated to the SFISpecially 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",