Availability
Showing In Stock Items. Show All 68 Items.
Ring and Pinion Installation Kit, GM 8.875 in., "C" Axle, 12-Bolt, 30-Spline Pinion, Kit
Part Number: RMG-8310191
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
BUILD IT WITH SUMMIT!
Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Passenger, Kit
Part Number: SUM-730513B
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Axle Shaft, 28-spline, 29.875 in. Length, Rear, GM 8.2 in., BOP Axle, Pontiac, Each
Part Number: SPZ-35060
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, Master Kit, GM 8.2 in. BOP, Kit
Part Number: MGR-R85PRMKT
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Axle Shaft, Rear, 1541H Alloy, 28 Spline, 29.875 in. Length, GM 8.2 in. BOP, Pontiac, Each
Part Number: YGA-21289
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888373
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit
Part Number: RMG-831019M
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.2 in., 10-Bolt, Set
Part Number: RMG-GM82C373
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline Pinion, GM 8.2 in. BOP, Kit
Part Number: YGA-14085
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit
Part Number: YGA-57008
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.6 in., GM 8.875 in., Kit
Part Number: YGA-57010
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSK
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, Master Kit, Buick, 8.2 in., Kit
Part Number: MGR-R8-5PRMK
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 29.625 in. Length, Each
Part Number: MGR-MG1010
Not Yet Reviewed
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
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 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, GM, 8.2 in., Buick or Pontiac Axle, 10-Bolt, 27-Spline Pinion, Kit
Part Number: RMG-8310401
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit
Part Number: MGR-R12CRSKT
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit
Part Number: YGA-16043
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-6900331
Estimated Ship Date: Monday 10/13/2025
Estimated Ship Date: Monday 10/13/2025
Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, GM, 8.2 in., 10-Bolt, Set
Part Number: RMG-GM82411
Not Yet Reviewed
Estimated Ship Date: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.