Availability
Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each
Part Number: RMG-78-7528-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, Kit
Part Number: RMG-831044M
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
USA Standard Master Overhaul kit for the GM 12P differential
Part Number: SPZ-37042
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Performance Mini Spool (GM 8.5 - 30 Spline)
Part Number: SDH-10015388
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, GM G-Body, 7.5 in., Each
Part Number: MSR-A102810-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axle Shaft, 26-Spline, 30.50 in. Length, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each
Part Number: RMG-92-25125
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio
Part Number: SVL-2023695
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axle Shaft, 28-Spline, 30.125 in. Length, Rear, Chevy, Pontiac, Each
Part Number: SPZ-35050
Not Yet Reviewed
Estimated Ship Date: Oct 7, 2025 if ordered today
Estimated Ship Date: Oct 7, 2025 if ordered today
Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 1977-1981, 27-Spline Pinion, Kit
Part Number: RMG-8310161
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit
Part Number: SPZ-39021
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Differential Ring and Pinion; GM 12 Bolt 8.875 - Thin Gear - 3.73 Ratio
Part Number: SVL-2023890
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Spider Gears, Open, Front or Rear, Internal Kit, Side Gears, Cross Pin and Bolt, GM, 8.5 in., 28 Spline, Kit
Part Number: YGA-16054
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axle Shaft, 28-Spline, 30.125 in. Length, Chevy, Each
Part Number: YGA-21242
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75410OE
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Ring and Pinion Gears, GM 8.5/8.6 in., 4.88:1 Ratio, 30-spline, Standard, Must Use 2.73:1 or Numerically Higher Ratio Carrier, GM 8.5/8.6 in., Set
Part Number: SVL-2023704
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Mini spool for GM 12 bolt with 30 spline axles
Part Number: YGA-32227
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit
Part Number: MGR-R7-5GR
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit
Part Number: MGR-R75GRSK
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set
Part Number: RNB-697-719
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 30.125 in. Length, GM 8.2/8.5 in., Chevy, Each
Part Number: YGA-21244
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Ring & Pinion Gear Set GM 7.5" / 3.23 Ratio
Part Number: SVL-2020639
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit
Part Number: MGR-R75GRSKT
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Axle Shaft, 26-Spline, 28.438 in. Length, Rear, Buick, Chevy, Oldsmobile, Each
Part Number: SPZ-35059
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Ring and Pinion Installation Kit, Super Kit, GM, 8.2 in., Kit
Part Number: MGR-R10CRSKT
Not Yet Reviewed
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
Ring and Pinion Installation Kit, Master Kit, GM 7.5 in., 7.625 in., Kit
Part Number: MGR-R75GRMKT
Estimated Ship Date: Monday 9/22/2025
Estimated Ship Date: Monday 9/22/2025
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