Allstar Performance 1/2" Phenolic Carb Spacer - 4 Hole 98117 consistent stagger measurements every time

consistent stagger measurements every time

Adjustable integrated anti-scratch dark smoked sunscreen (M10)

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1990-1990 GMC C5000 Topkick

All new units

Allstar Performance 1/2" Phenolic Carb Spacer - 4 Hole 98117 consistent stagger measurements every timeSpecially 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",