Allstar Performance Holley 4500 Tapered 4-Hole Carb Spacer - 1" Thick 931021 This 'Zero' version is constructed

This 'Zero' version is constructed from high tensile autoclaved carbon fibre for exceptional strength and ultra-light weight (it is the lightest FIA approved helmet available)

1/16-3/8 in Grip Range

Everything aspect of the G-Limit Suit has been looked at and updated during its design

and drag strips throughout the world

The Zamp RZ-56 Auto racing helmet is lightweight with a composite Fiberglass shell

Allstar Performance Holley 4500 Tapered 4-Hole Carb Spacer - 1" Thick 931021 This 'Zero' version is constructedSpecially 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",