Ratech Pinion Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing Serpentine Belt Crankshaft Pulley Longacre Water Temp Gauge 100-280

Longacre Water Temp Gauge 100-280 Degrees AccuTechSprtsman

Slip Fit Connections for Easy Assembly

1979-1995 GMC G3500

Edelbrock Performer Carburetors

Ratech Pinion Shims - GM 7.5" 77-81 w/ 3" Head Bearing, 80-98 w/ 3.125" Head Bearing Serpentine Belt Crankshaft Pulley Longacre Water Temp Gauge 100-280Ratech 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