Availability
Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit
Part Number: MGR-R12CR
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each
Part Number: MGR-MS12C
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Mini Spool, Steel, 28-Spline, GM, 8.2 in., 10-Bolt, Each
Part Number: MGR-MS10C-28
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
SOLID SPACER & SHIM KIT GM12 BOLT CAR
Part Number: MGR-4101
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Pinion Bearing Kit, PBK GM 8.875" CAR
Part Number: MGR-R12CRPK
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Bearing Kit
Part Number: MGR-GM85PIK
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
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