Allstar Performance 1" Phenolic Carb Spacer - 4 Hole Helmet Visor 1988-1995 GMC C3500

1988-1995 GMC C3500

Easy to install

1984-1995 GMC Jimmy

A unique internal release mechanism is engineered to eject belts clips quickly

Pressure Side

Allstar Performance 1" Phenolic Carb Spacer - 4 Hole Helmet Visor 1988-1995 GMC C3500Specially 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",