Allstar Performance Holley 4500 Open Carb Spacer - 1/2" Thick 23-TR1-N-M 2000-2011 Chevrolet Suburban 2500

2000-2011 Chevrolet Suburban 2500

1960-1960 Chevrolet Truck

no more risking pump failure in a 1

1993-2002 Saturn SC1

Allstar Performance Holley 4500 Open Carb Spacer - 1/2" Thick 23-TR1-N-M 2000-2011 Chevrolet Suburban 2500Specially 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",