Availability
BUICK SKYLARK Differential & Rear-End Components
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: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set
Part Number: RMG-6901671
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0074-1
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each
Part Number: ETN-19663-010
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885430
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set
Part Number: MGR-BP882373
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900291
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888355
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885456
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each
Part Number: YGA-32118
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0064-1
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit
Part Number: MGR-R10R
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6903781
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC355
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set
Part Number: YGA-24162
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75342OE
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36216
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each
Part Number: TMK-M88010
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit
Part Number: RMG-831021M
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 8.2 in., BOP, Set
Part Number: YGA-24505
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Installation Kit, Rear, GM 8.875 in., 12-Bolt, GM, Passenger Car, Kit
Part Number: ETN-K-GM12CR
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Ring and Pinion Gears, 4.11:1 Ratio, Standard Rotation, 8.20 in. Diameter, GM, BOP, Set
Part Number: MGR-BP882411
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
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