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Super 10 Series mufflers are constructed of 16-gauge 409S Stainless Steel and fully MIG-welded for maximum durability
Pressure Hold Valve
MAP Sensor Plug
125" Round Gasket Bore
Ratech Complete Ring & Pinion Installation Kit - GM 7.5" 77-81 3550224-104- M Super 10 Series mufflers areComplete 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."
