Allstar Performance Replacement Stud for Adjustable Bolt-In Large Upper GM #ALL56260/56261 YA0828MM08 These DIRT specific Z-20 Series

These DIRT specific Z-20 Series Shields are built to seal and prevent dirt and debris from entering your helmet through the top of the shield

Holley 4150 / 4160

GM A-Body 1964-74

By installing either the side forced air or top forced air kit

Allstar Performance Replacement Stud for Adjustable Bolt-In Large Upper GM #ALL56260/56261 YA0828MM08 These DIRT specific Z-20 SeriesWith mono ball joints, upper control arm angles can be adjusted. Joints include plate, ball, tapered shaft, adjuster bushings, and nut. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar