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 Automobiles in the 21st century

Automobiles in the 21st century have replaced the more conventional throttle cable technology for an ECM (Electronic Control Module) that translates pedal travel into electronic signals in order to provide power to the wheels

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

Use with steel timing chain sprocket

Two 2-5/8 in Holes

5/16 in Bolts

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 Automobiles in the 21st centuryRatech 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