Availability
BUICK Differential & Rear-End Components
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: Today
Estimated Ship Date: Today
Performance Mini Spool (GM 8.5 - 30 Spline)
Part Number: SDH-10015388
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit for the GM 12P differential
Part Number: SPZ-37042
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion-GM 8.5/8.625
Part Number: MGR-GM10-308A
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Ring and Pinion Sets SUM-741206 GM 8.875 in. (12-bolt) passenger car 4.10 Gears
Estimated Ship Date: Today
Ring and Pinion Gear Installation Kit, Differential Bearings, GM 8.5/8.6 in., Kit
Part Number: NTN-NBRA321C
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Today
Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each
Part Number: YGA-33049
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set
Part Number: RMG-GM82411
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 28/30 Spline Pinion, Kit
Part Number: RMG-83-1026-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shaft, 30-Spline, 30.375 in. Length, Rear, GM, Each
Part Number: YGA-21278
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing Race, Differential Pinion, 2.531 in. Outside Diameter, Each
Part Number: TMK-M86610
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle, C-Clip, Rear, 1541H Alloy Steel, 26-spline, Buick, Chevrolet, Oldsmobile, Pontiac, 7.5 in., Each
Part Number: MSR-A102602-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4900461
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio
Part Number: SPZ-36169
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, 4.88:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885488
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion
Part Number: MGR-GM75-323
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit
Part Number: MGR-GM10MSK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spider Gears, Internal Kit, Front or Rear, Side Gears, Cross Shaft Pin and Bolt, GM, 8.5 in., 30 Spline, Kit
Part Number: YGA-16055
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each
Part Number: ETN-19663-010
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each
Part Number: YGA-33572
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit
Part Number: SVL-2023882
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each
Part Number: YGA-32118
Estimated Ship Date: Today
Estimated Ship Date: Today
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