Availability
Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit
Part Number: MGR-GM12IKC
Estimated Ship Date: Today
Estimated Ship Date: Today
Pinion Bearing Kit, PBK GM 8.875" CAR
Part Number: MGR-R12CRPK
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Differential Ring Gear Spacer, Ring Gear Spacer
Part Number: MGR-085050C
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
RING GEAR BOLT EACH
Part Number: MGR-PB179-2-L
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
WASHER PIN GR 12BLT 8 7/8
Part Number: MGR-3880141
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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
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
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
Lockwasher, LOCKWASHER 7/16" C9.25/F7.5
Part Number: MGR-RGB4-LW
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888456
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Universal Joint U-Bolt
Part Number: MGR-MGUB1350
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each
Part Number: MGR-LM501349
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
GEAR PINION 12 BOLT 8 7/8
Part Number: MGR-3880140
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
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