Availability
OLDSMOBILE DELTA 88 Differential & Rear-End Components
Mini Spool, MINI SPOOL GM 12 BOLT CAR
Part Number: RMG-XL-5145
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Kit installation complete for GM 77-81, 7.5
Part Number: RMG-83-1016-M
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each
Part Number: PWT-LS231230
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit
Part Number: MGR-R10RSK
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Pinion Shaft, SHAFT,GM 10-BOLT,7.5,RDF,NOSLP
Part Number: RMG-XL-5630
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
COUPLER
Part Number: PWT-5201001CJR
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
WASHER, PINION THRUST
Part Number: MGR-559291
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Spring, SPRING,COMPRSN, 500 LB/IN,OUTR
Part Number: PWT-8031001ZAV
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set
Part Number: MGR-G875342X
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Allstar Performance Ring and Pinion Gear Sets ALL70113 GM 7.5 in. 3.42 Gears
Estimated Ship Date: Tomorrow
Ring and Pinion
Part Number: RMG-GM75456TK
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-GM75323
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Differential Ring and Pinion Set
Part Number: RNB-697-304
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.5/8.625 in., Set
Part Number: RNB-697-301
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
R-P Mstr Brng Kit
Part Number: RNB-797-102
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1028-1
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
COUPLER
Part Number: PWT-5201004CJY
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Spring, SPRING,COMPRSN,15 LB/IN,IN, NS
Part Number: PWT-8021001ZBG
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set
Part Number: MGR-G875342
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Mini Spool, MINI SPOOL GM 10 BOLT 8.5"
Part Number: RMG-XL-5140
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Axle Shaft, OEM Replacement, 28-Spline, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each
Part Number: RMG-92-25150
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Differential Ring Gear Spacer, Ring Gear Spacer
Part Number: MGR-075050C
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT
Part Number: RMG-04-0012-2M
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
Ring and Pinion Installation Kit, Half Kit, GM 7.5 in., GM 7.625 in., Rear, Kit
Part Number: RMG-XL-1044-B
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
SLOTTED DRIVER
Part Number: PWT-424003DGE2
Not Yet Reviewed
Estimated Ship Date: Jun 12, 2026 if ordered today
Estimated Ship Date: Jun 12, 2026 if ordered today
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