Availability
Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit
Part Number: SUM-700928
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Estimated Ship Date: Tomorrow
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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set
Part Number: RMG-6903061
Estimated Ship Date: Tomorrow
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Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit
Part Number: YGA-12627
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Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RPK
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Differential Pinion Bearing, 1.375 in. Inside Diameter, Each
Part Number: TMK-HM88649
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36218
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882336
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each
Part Number: SPZ-17032
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit
Part Number: RMG-831021B
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Rear, GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-28035
Estimated Ship Date: Sep 2, 2025 if ordered today
Estimated Ship Date: Sep 2, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900321
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Carrier, Positraction, Nodular Iron, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each
Part Number: SUM-730948
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cross Pin, GM, 12-Bolt, 8.875 in., Each
Part Number: MGR-3931175
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12606
Not Yet Reviewed
Estimated Ship Date: Sep 3, 2025 if ordered today
Estimated Ship Date: Sep 3, 2025 if ordered today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.5 Oldsmobile Axle, 28 Spline, 3 Series Carrier, Each
Part Number: YGA-10301
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Ring and Pinion and Differential Combo, GM 8.2 in. BOP Axle, 3.36:1 Ratio, 28-Spline, Buick, Oldsmobile, Pontiac, Kit
Part Number: YGA-12584
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit
Part Number: MGR-GM10MSK
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Car, 3 Series, Set
Part Number: RMG-4900401
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
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Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Differential Shims, Pinion Shim Type, Steel, Set
Part Number: MGR-1100
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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