Availability
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Yokes, GM 3RL/S44/Mechanics 3/American Axle 1344, 30-spline Inner, Cast Steel, for GM 8.5 in. or GM 9.5 in. Axle As the Pinion Yoke, Strap Style, Each
Part Number: MGR-MG3R-8500
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit
Part Number: MGR-R10RSKT
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.125 in. Length, Each
Part Number: MGR-MG1015
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Shims, Carrier, Steel, Kit
Part Number: MGR-SS10
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit
Part Number: MGR-R12CR
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit
Part Number: MGR-R10REMK
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit
Part Number: MGR-R12CRMK
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: MGR-FS10-28
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Mini Spool, Steel, 28-Spline, GM 8.5 in., Each
Part Number: MGR-MS10-28
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L
Part Number: MGR-GM12BI
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Crush Sleeve, Steel, GM 8.25 in. IFS, GM 8.5 in., Each
Part Number: MGR-1234726
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RPK
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set
Part Number: MGR-BP882373
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-G885273
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set
Part Number: MGR-GM10-342
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Shims, Pinion Shim Type, Steel, Set
Part Number: MGR-1100
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Cross Pin, GM, 12-Bolt, 8.875 in., Each
Part Number: MGR-3931175
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit
Part Number: MGR-GM10MSK
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-390
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.