Rear Inner Race & Sprag (One-Way Roller-Clutch) Repair Kit Perfect for High-Performance, Heavy-Duty, Racing and Regular-Duty transmissions. Transmission: Chrysler/Jeep Torqueflite TF-6 (TF6) A-904 (A904) 30RH Years: 1972-1987 Contains: 10 Stainless steel accordion springs + 10 Steel Rollers.  Part ID:  K12960A, (A12654, 12654, K12960). 1 Roller Clutch Retainer.  Part ID: 12752 (2801426). 1 Inner Race "Slide-On", 24 tooth (splines).  Part ID: 12962 (12664, 3515618, 3420023). Warranty & Hassle-Free Return Policy: 12 month manufacturer's replacement warranty for defective items purchased. Please contact us if you are not 100% satisfied with your purchase and we will do our best to resolve.  Full refund provided upon safe return of the item.