Availability
Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each
Part Number: RMG-CSPGM85
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit
Part Number: RMG-831019B
Estimated Ship Date: Today
Estimated Ship Date: Today
WASHER PIN GR 12BLT 8 7/8
Part Number: MGR-3880141
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing, Pinion, 1.375 in. Inside Diameter, Each
Part Number: NTL-HM88649
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Tapered roller bearing race
Part Number: SKF-HM88610
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each
Part Number: MGR-085050
Estimated Ship Date: Today
Estimated Ship Date: Today
Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93
Part Number: RMG-XL-5640
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
SOLID SPACER & SHIM KIT GM12 BOLT CAR
Part Number: MGR-4101
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Bolt, Ring Gear, 3/8-24, Right Hand Thread, Black Oxide, Each
Part Number: MGR-RGBT-003
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC342
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Axle Shaft Retainer
Part Number: MGR-3833322
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit
Part Number: MGR-R12CRT
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
BEARING AND SEAL KIT
Part Number: TMK-DRK321MK
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Bearing, Pinion, 1.625 in. Inside Diameter, Each
Part Number: NTL-M802048
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Differential Carrier Bearings, Tapered Roller, Race, Steel, Each
Part Number: SKF-BR36
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Cross Shaft, Differential, Steel, GM, 10-Bolt, 8.5 in., Each
Part Number: RMG-8002721
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Tapered roller bearing
Part Number: SKF-M804049
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pinion Shaft, CROSS SHAFT-GM 12 BOLT CAR&TRU
Part Number: RMG-XL-5645
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Cross Shaft Pin, Mini Spool, GM, 12-Bolt, Passenger Car, Each
Part Number: RMG-CSPGM12
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers
Part Number: CUR-CR-GA137TWAB
Estimated Ship Date: Today
Estimated Ship Date: Today
68-72 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included
Part Number: CUR-CR-GA237TNBB
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Mini Spool, MINI SPOOL GM 12 BOLT CAR
Part Number: RMG-XL-5145
Not Yet Reviewed
Estimated Ship Date: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Explorer Disc
Part Number: CUR-CR-GA135TEBB
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers
Part Number: CUR-CR-GA130TWAB
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
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