Availability
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RT
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4048
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Mini Spool, MINI SPOOL GM 10 BOLT 8.5"
Part Number: RMG-XL-5140
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Mini Spool, MINI SPOOL GM 12 BOLT CAR
Part Number: RMG-XL-5145
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Performance Mini Spool (GM 8.5 - 28 Spline)
Part Number: SDH-10015373
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Performance Mini Spool (GM 8.875 - 30 Spline)
Part Number: SDH-10015379
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: RMG-GM85308
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
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Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC373T
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC410T
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 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: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 55P 8.2 in. Drop Out, Rear, Kit
Part Number: MGR-R8-4R
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Ring and Pinion Installation Kit, GM, 8.2 in., 25-Spline, Open, Kit
Part Number: MGR-GM8-2IK
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Ring and Pinion Gears, 3.08:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: ALY-GM10308
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Differential master rebuild kit
Part Number: SKF-SDK321-MK
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Differential
Part Number: ETN-K-GM8-2-72R
Not Yet Reviewed
Estimated Ship Date: Nov 19, 2025 if ordered today
Estimated Ship Date: Nov 19, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 55P 8.2 in. Drop Out, Rear, Kit
Part Number: MGR-R8-4RT
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.2 in., Set
Part Number: MGR-G882456
Not Yet Reviewed
RING AND PINION
Part Number: YGA-37047
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Performance Mini Spool (GM 8.2 - 28 Spline)
Part Number: SDH-10015370
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Spool, Full Size, Steel, 35-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: RMG-81-1235-1
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC373
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Differential rebuild kit
Part Number: SKF-SDK321
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Service Parts, SEAL HOUSING KIT (81/93),O RINGS INCLUDED
Part Number: ARB-081501SP
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Installation Kit, Master Overhaul, Toyota 8 in., Toyota 7.8 in., Kit
Part Number: YGA-14178
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Yukon Bearing install kit for Toyota 8" differential
Part Number: YGA-11088
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
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