Availability
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Ring and Pinion Installation Kit, Master Kit, GM 8.5 in., Kit
Part Number: MGR-R10RMK
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: MGR-GM10-411A
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: MGR-GM10-342A
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set
Part Number: MGR-GM10-373
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: MGR-GM10-456A
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Driveshaft Pinion Yoke; Competition Yoke; 30 Spline; 1310 Series; Cast; Strap
Part Number: MGR-MG1310-1210
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-R12CRMKT
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-R10RMKT
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., 30-Spline Pinion, Kit
Part Number: MGR-R10REMKT
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Differential Parts Kit; Open Differential; Includes 28-Spline Side And Pinion Gears/Washers/Pinion Shaft /Bolt
Part Number: MGR-GM10-BI
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-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
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
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
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
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-R10RTPK
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring and Pinion-GM 8.5/8.625
Part Number: MGR-GM10-373A
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 30-spline Inner, 30.063 in. Length, Each
Part Number: MGR-MG1000
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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