This is the clutch and retainer kit to rebuild the 9.25" Chrysler Corporation Traction-Loc differential that comes in  Dodge Ram 1500 trucks also Dakotas and Durangos with 12 bolt cover. This kit contains the clutch's, belleville pressure springs, case insulation clips, friction modifier (Additive), cover gasket, and rtv sealer. Genuine Dana/Spicer clutch kit to insure correct fit and reliable operation. NOTICE: This is for the POSITIVE TRACTION REAR ONLY!!  An open differential, (a one wheel peel, a one tire fire, a peg leg, or what ever you call your non posi rear) does not contain these parts. Questions?  Call us TOLL FREE 877-614-4327