Ratech Complete Ring & Pinion Installation Kit - GM 7.5" 77-81 3552024-156- S It wasn't until the late

It wasn't until the late 1970s when two racers perfected its use

2009-2012 Cadillac CTS

2007-2012 Jeep Wrangler

Will work on all Cast Aluminum GM HEI distributors

Includes Friction Modifier PN CM-19546-A1Ford Racing offers a variety of products for hard core racing and street vehicles

Ratech Complete Ring & Pinion Installation Kit - GM 7.5" 77-81 3552024-156- S It wasn't until the lateComplete Installation Kit GM 7. 5" (77 81) AxleContains Pinion Shims, Carrier Shims, Crush Sleeve, Pinion Seal, Pinion Nut, Ring Gear Bolt Set, Cover Gasket, Pinion Bearings, Carrier Bearings, and Marking Compound. (Image typical Kit may vary from image but will contain appropriate parts) 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."