Availability
Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit
Part Number: SPZ-39021
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: RMG-GM85456
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each
Part Number: YGA-32233
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit
Part Number: SVL-2023882
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Axle Shaft; 31.313 in. Overall Length; 5 x 5 Lug Pattern; 30 Spline, GM
Part Number: MGR-14071751
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
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 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set
Part Number: SVL-2023698
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each
Part Number: YGA-20083
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit
Part Number: MGR-R10REMK
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Differential Carrier Bearings, Steel, GM 8.5 in., Kit
Part Number: YGA-57009
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
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 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Installation Kit, Master Kit, GM, 8.875 in., 30-Spline Pinion, Truck, Kit
Part Number: MGR-R12RMK
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio
Part Number: SVL-2023695
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Installation Kit, GM, 8.875 in., Truck, 12-Bolt, Kit
Part Number: RMG-831018M
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit
Part Number: SPZ-37057
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spider Gears, Open, Front or Rear, Internal Kit, Side Gears, Cross Pin and Bolt, GM, 8.5 in., 28 Spline, Kit
Part Number: YGA-16054
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: MGR-FS10-28
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set
Part Number: RMG-12BT373T
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Mini Spool, Steel, 28-Spline, GM 8.5 in., Each
Part Number: MGR-MS10-28
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion-GM 8.5/8.625
Part Number: MGR-GM10-373A
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit
Part Number: YGA-16043
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spider Gears, Internal Kit, Front or Rear, Side Gears, Cross Shaft Pin and Bolt, GM, 8.5 in., 30 Spline, Kit
Part Number: YGA-16055
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit
Part Number: RMG-831021TE
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-11067
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2025 if ordered today
Estimated Ship Date: Dec 2, 2025 if ordered today
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