Allstar Performance ALL25984 4150 1" 4-Hole Hi-Flow Carburetor Spacer

Increase The Distance From The Bottom Of The Carburetor To The Manifold Plenum For Better Air Flow

Isolate Carburetor From Manifold, Spacers Prevent Horsepower-Robbing Heat Transfer

Specially Designed For Drag Race Applications

Specially 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 400°F. Available in open or four hole versions for 4150 and 4500 series Holley and Holley style carburetors in 1/2", 1" and 2" thicknesses. Tapered four-hole spacers have specially contoured holes to increase air velocity under the carburetor. Not intended or recommended for street or circle track use.
Brand: Allstar, Model: ALL25984, Size: 1in