Ratech Carrier Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing 20600L Retard Module Kit

Retard Module Kit

Excellent Resilience

Comes with 1/8"

3/8-18 Female to 12 mm x 1

Ratech Carrier Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing 20600L Retard Module KitRatech 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