Allstar Performance Holley 4500 4-Hole Carb Spacer - 1" Thick Engine Fastener Kits 1979-1993 GMC K1500

1979-1993 GMC K1500

integration is sleek and seamless

Can also be sued for Drag Racing

15 gallons

With lightweight 8mm diameter stem 2

Allstar Performance Holley 4500 4-Hole Carb Spacer - 1" Thick Engine Fastener Kits 1979-1993 GMC K1500Specially 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",