Availability
Bearing, Pinion, 1.312 in. Inside Diameter, Each
Part Number: NTL-M88048
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Replcement Springs, Powertrax No-Slip, Kit
Part Number: PWT-8001001KAV
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit
Part Number: YGA-16052
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Crush Sleeve; Fits GM 8.5 in.
Part Number: RMG-19-0004-1
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set
Part Number: YGA-24492
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
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Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36212
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.2" BOP 3.55 RATIO REAR R&P GEAR/ INSTALL KIT PACKAGE
Part Number: YGA-12589
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff
Part Number: SVL-10020478
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Differential Drain Plug, Rear Axle Position, Internal Square Drive Head, Steel, 1/2 in. NPT Threads, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: OPG-CH28892
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.
Part Number: RMG-16-0090-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Mini Spool, Steel, 28-spline, 10-bolt, GM 8.5 in., Each
Part Number: YGA-32232
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set
Part Number: YGA-16064
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" OLDSMOBILE GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI
Part Number: YGA-12592
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12630
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC342
Estimated Ship Date: Oct 17, 2025 if ordered today
Estimated Ship Date: Oct 17, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12626
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: RMG-78-1230-1
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring and Pinion Installation Kit, GM 8.2 in. BOP Axle, Rear, Kit
Part Number: SPZ-37054
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC456
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring and Pinion Installation Kit, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-13069
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 25 Spline, GM 8.2 in. BOP, Kit
Part Number: YGA-11066
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36213
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, Master Overhaul, GM 8.5 in., Rear, Kit
Part Number: YGA-14090
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crush Sleeve, Steel, 0.625 in. Tall, Each
Part Number: YGA-33110
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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