Availability
BUICK Differential & Rear-End Components
Ring and Pinion Installation Kit, GM, 8.5 in., 8.625 in., 10-Bolt, Kit
Part Number: RMG-XL-1026-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, Master Kit, GM 8.5 in.; Incl. Bearing Kit Plus Ring Gear Bolts/Pinion Shi
Part Number: MGR-R10RLMK
Estimated Ship Date: Today
Estimated Ship Date: Today
Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Part Number: SPZ-17040
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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-4902781
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each
Part Number: YGA-32017
Estimated Ship Date: Today
Estimated Ship Date: 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 Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit
Part Number: RMG-831019M
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear Installation Kit, Master Overhaul, 28-Spline, GM 8.5 in., Kit
Part Number: YGA-14086
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0074-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each
Part Number: ADO-84554713
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885342
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Street-Strip Performance, 1-1/8 in. Shaft, 10-Spline, 10.5 in. Organic/Ceramic Disc, GM, Kit
Part Number: SUM-700928
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
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885430
Estimated Ship Date: Today
Estimated Ship Date: Today
Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, 8.5 in., Pair
Part Number: MSR-A102808
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Open, GM 8.625 in., 30-Spline, Each
Part Number: MGR-GM8-6L
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888390
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, GM F-Body, A-Body, 8.5 in., Each
Part Number: MSR-A103003-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Assembly, 59-64 Chevy B-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit
Part Number: CUR-CE-GMB5964X
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Installation Kit, GM 8.625 in., Kit
Part Number: MGR-R10RLSK
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit
Part Number: RMG-831021M
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: YGA-24159
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0064-1
Estimated Ship Date: Today
Estimated Ship Date: Today
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