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1974-1974 GMC C15/C1500 Pickup
The Chin Cover Seal is used to close off the bottom of the helmet to reduce excess airflow that may cause helmet lifting and to help prevent dust from entering at the bottom of the helmet
18-1/2 x 24 in Rectangle
Shoulders adjust from 25" to 72" and lap belt adjusts from 30" to 70"
Allstar Performance 2" Phenolic Carb Spacer - Open Spacer FHR Helmet Anchor 1974-1974 GMC C15/C1500 PickupSpecially 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",
