Availability
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RPK
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
USA Standard Master Overhaul kit for the GM 12P differential
Part Number: SPZ-37042
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Gear, Ring and Pinion, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: RNB-697-810
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Differential Cover, 12-bolt, Steel, Chrome, GM 8.875 in. Passenger Car, Each
Part Number: YGA-32011
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Crush Sleeve, Steel, GM 8.25 in. IFS, GM 8.5 in., Each
Part Number: MGR-1234726
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Axle Shafts, Direct Fit, Level 2, CV-Style, Chromoly CV Housing, Pontiac, Rear Left, Rear Right, Each
Part Number: DSS-RA5200X2
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Differential Crush Sleeves, Steel, GM 8.875 in. (12-bolt) Passenger Car, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Toyota, Each
Part Number: MGR-3954480
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Bearing Race, Differential Pinion, 3.000 in. Diameter, Each
Part Number: TMK-HM89410
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888342
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in. Passenger Car, Set
Part Number: SVL-2023899
Not Yet Reviewed
Estimated Ship Date: Sep 26, 2025 if ordered today
Estimated Ship Date: Sep 26, 2025 if ordered today
Differential Pinion Bearing, 1.375 in. Inside Diameter, Each
Part Number: TMK-HM88649
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Ring and Pinion Installation Kit, Master Kit, GM 7.75 IRS, Kit
Part Number: MGR-R80RMK
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-7900291
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each
Part Number: YGA-32015
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Differential Pinion Bearing Kit, GM 8.875 in. Car, Timken Bearings, Chevy, GMC, Kit
Part Number: MGR-R12CRTPK
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Performance Mini Spool (GM 8.5 - 30 Spline)
Part Number: SDH-10015388
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
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: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
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: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Differential Shims, Pinion Shim Type, Steel, Set
Part Number: MGR-1100
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Cross Pin, GM, 12-Bolt, 8.875 in., Each
Part Number: MGR-3931175
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set
Part Number: MGR-GM10-308
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
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