Ratech Ring Gear Bolt Kit - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing, GM 8.5" 10 Bolt Electrical & Electrical Testing Tools Two 2-5/8 in Holes

Two 2-5/8 in Holes

Oldsmobile/Pontiac

Rears with "Max" option include the substitution of a black thermal coated housing

Available in 100 quants

Ratech Ring Gear Bolt Kit - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing, GM 8.5" 10 Bolt Electrical & Electrical Testing Tools Two 2-5/8 in HolesRatech offers a complete line of differential service parts. Whether installing a new set of gears or making a repair, Ratech has just what is needed. Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery. Ratech uses the absolute finest American made Hardened Shim