Availability
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1028-1
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Install Kit
Part Number: RMG-83-1088-1
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Differential Carrier Gear Kit
Part Number: RMG-XL-4040
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction
Part Number: SVL-10003707
Not Yet Reviewed
Estimated Ship Date: Sep 26, 2025 if ordered today
Estimated Ship Date: Sep 26, 2025 if ordered today
Ring and Pinion, Installation Kit, GM, 8.5 in., Kit
Part Number: SPZ-58011
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit
Part Number: MGR-R10RSK
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit
Part Number: RNB-697-100
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: MGR-MG27123
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit
Part Number: ALY-352021
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
RP GM 7.5in 7.625in 4.56 MOT
Part Number: MGR-GM7-5-456A
Not Yet Reviewed
Estimated Ship Date: Monday 9/15/2025
Estimated Ship Date: Monday 9/15/2025
Performance Mini Spool (GM 8.5 - 28 Spline)
Part Number: SDH-10015373
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
Estimated Ship Date: Oct 13, 2025 if ordered today
Posi spring kit for GM 7.5", with preload plates
Part Number: YGA-33206
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS
Part Number: SPZ-58050
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
Ring and Pinion, Installation Kit, GM, 7.5 in., 7.6 in., Kit
Part Number: SPZ-58015
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
Axle 7.5" GM REAR, 28-7/16" LONG, MONTE CARLO & EL CAMINO, 26spl, 12mm WHEEL STUDS
Part Number: SPZ-12232
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
8.5" GM 28spl MINI SPOOL
Part Number: SPZ-59011
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
7.5" & 7.625" GM '82-99 PINION KIT, KOYO BRGS
Part Number: SPZ-60010
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
8.5" GM PINION KIT, KOYO BRGS
Part Number: SPZ-60012
Not Yet Reviewed
Estimated Ship Date: Sep 30, 2025 if ordered today
Estimated Ship Date: Sep 30, 2025 if ordered today
Yukon Pinion install kit for GM 7.5" differential
Part Number: YGA-13064
Not Yet Reviewed
Estimated Ship Date: Oct 15, 2025 if ordered today
Estimated Ship Date: Oct 15, 2025 if ordered today
Differential Ring and Pinion; GM 7.5 - 2.73 Ratio
Part Number: SVL-10004593
Not Yet Reviewed
Estimated Ship Date: Sep 29, 2025 if ordered today
Estimated Ship Date: Sep 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: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RET
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RT
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Axle, Direct Fit, Rear, 1541 Carbon Steel, 28-Spline, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each
Part Number: MGR-1255801
Not Yet Reviewed
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1016-1
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
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