Allstar Performance 8.5" GM 10 Bolt Ring & Pinion Shim Kit 4704021-10 Polished Anodized

Polished Anodized

Fits MAC1 or MAC3

Tired of the jagged edges left after cutting braided hose with a hacksaw

Highly Specialized Silicone Magnetic Steel Cores

Air springs fully adjustable from 5-100 PSI

Allstar Performance 8.5" GM 10 Bolt Ring & Pinion Shim Kit 4704021-10 Polished AnodizedAllstar ring and pinion installation kits are available with or without bearings. Kits contain all the hard to find indi vidual parts for a quick, trouble free installation. 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