Availability
Differentials, Axles & Rear-End Parts
Ring and Pinion Installation Kit, Basic, GM 8.2 in., Rear, Kit
Part Number: MGR-R10CRT
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Ring and Pinion Gears, 3.73:1 Ratio, 25-spline, Standard Ring Gear Rotation, GM 8.2 in., Set
Part Number: SPZ-36205
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.2" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals
Part Number: SPZ-10666
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each
Part Number: YGA-32238
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each
Part Number: PWT-GT201028
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 55P GM 3.08 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE
Part Number: YGA-12579
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36215
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36220
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1019-1
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each
Part Number: PWT-LS241230
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Gear, Ring and Pinion, 3.55:1 Ratio, 8.4 in. Ring Gear, GM 55P, Set
Part Number: YGA-24142
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each
Part Number: YGA-26012
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Positraction 33 Spline Differential Carriers GM 8.875 Inch (12-bolt) SUM-730948
Estimated Ship Date: Today
Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12605
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36219
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 55P GM 3.36 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE
Part Number: YGA-12578
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Axle Shaft, Direct Fit, w/2.30 in. Bearing Offset, Heat Treat, LH, Rear, 17-spline, 28.825 in. Long, for non-Corvette GM 55P Differentials, Chevy,Kit
Part Number: SPZ-12217
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Axle Shafts, Rear, C-clip, 17-spline Inner, 1541H Chromoly, GM 8.2 in., Pair
Part Number: YGA-21637
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Spool, Mini, Steel, 28-spline, 10-bolt, GM 8.2 in., Each
Part Number: YGA-32230
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Today
Pinion Thrust Washer, Dana 44, GM 8.2 in., Each
Part Number: YGA-33281
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Today
Estimated Ship Date: Today
Thrust Washer, Differential Carrier Replacement Part, GM 8.2 in., GM 55P (8.2 in. Drop Out), Each
Part Number: YGA-33529
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring Gear Bolt, Early 8.2 in., Auburn Posi, Each
Part Number: YGA-33052
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
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