Availability
Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L
Part Number: MGR-GM12BI
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each
Part Number: YGA-33049
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0074-1
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in
Part Number: RMG-3800061
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pinion Bearing, 1.187 in. Inside Diameter, Each
Part Number: TMK-M86649
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC355
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential Carrier, Positraction, Nodular Iron, GM 8.2 in. BOP, 28 spline, 3.31 Up Ratio, Each
Part Number: SUM-730964
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, 11" Explorer Disc
Part Number: CUR-CR-GA237TEBB
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit
Part Number: RNB-81050
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each
Part Number: NTL-A36
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Each
Part Number: MRG-9894
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each
Part Number: PWT-92-0788-3005
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 8.2 in., BOP, Set
Part Number: YGA-24505
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring and Pinion Gears and Installation Kit, 8.5" OLDSMOBILE GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE
Part Number: YGA-12594
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Differential Crush Sleeves, Steel, GM 8.875 in. (12-bolt) Passenger Car, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Toyota, Each
Part Number: MGR-3954480
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900291
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit
Part Number: MGR-R12CRMK
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Pinion depth shim kit for Toyota8", GM 7.5", 8.2" & 12 bolt truck
Part Number: YGA-55064
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each
Part Number: TMK-M86610
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set
Part Number: MGR-706016XR
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
Ring and Pinion Installation Kit, Master Overhaul, GM 8.5 in., Rear, Kit
Part Number: YGA-14090
Not Yet Reviewed
Estimated Ship Date: Monday 1/19/2026
Estimated Ship Date: Monday 1/19/2026
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