Ratech Carrier Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing 20600L 1987-1988 Chevrolet R30

1987-1988 Chevrolet R30

3/8-18 Female to 12 mm x 1

Includes Throttle Body gaskets for 950 CFM-1475 CFM models

Block mount GM LS gear reduction mini-starter works with 168-tooth flywheels and provides increased starting performance over OE style starters

Ratech Carrier Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing 20600L 1987-1988 Chevrolet R30Ratech 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