Allstar Performance Holley 4500 4-Hole Carb Spacer - 1" Thick 23011606 The air intake is designed

The air intake is designed to force airflow into the helmet’s ventilation channels to enhance and maximize air exchange inside the helmet

This power harness contains everything you need to power your MAC3

The BR1 Top Plate Kit includes the top plate and the small insert screws to attach the plate to the helmet

The use of EPS cheekpads ensures better protection in case of lateral impacts

GM Fullsize SUV / Truck 2014-19

Allstar Performance Holley 4500 4-Hole Carb Spacer - 1" Thick 23011606 The air intake is designedSpecially 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",