Ratech Complete Ring & Pinion Installation Kit - GM 7.5" 77-81 SPBXL4 Kits include all pieces to

Kits include all pieces to assemble a Deluxe Roll Cage

RPM Air-Gap 340 / 360

Unlike heavier cast versions offered by others

fuel filters

Ratech Complete Ring & Pinion Installation Kit - GM 7.5" 77-81 SPBXL4 Kits include all pieces toComplete 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."