Availability
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: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 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: Oct 31, 2025 if ordered today
Estimated Ship Date: Oct 31, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 55P GM 3.73 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE
Part Number: YGA-12574
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 55P GM 3.55 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE
Part Number: YGA-12576
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 55P GM 3.08 RATIO REAR R&P GEAR & INSTALL KIT PACKAGE
Part Number: YGA-12579
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12623
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Installation Kit, 17 spline, GM 55P, Rear, Kit
Part Number: YGA-13060
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 17 Spline, GM 8.2 in. Drop Out, Kit
Part Number: YGA-11058
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 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: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
8.5" GM PINION KIT, KOYO BRGS
Part Number: SPZ-60012
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
SPRING AND PIN KIT
Part Number: SPZ-17011
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RE
Not Yet Reviewed
Estimated Ship Date: Nov 4, 2025 if ordered today
Estimated Ship Date: Nov 4, 2025 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RET
Estimated Ship Date: Nov 4, 2025 if ordered today
Estimated Ship Date: Nov 4, 2025 if ordered today
USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 3.73 ratio
Part Number: SPZ-36198
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set
Part Number: SPZ-36201
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: SPZ-36221
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
USA Standard mini spool for GM 8.2"
Part Number: SPZ-59024
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
8.5" GM 28spl MINI SPOOL
Part Number: SPZ-59011
Not Yet Reviewed
Estimated Ship Date: Oct 30, 2025 if ordered today
Estimated Ship Date: Oct 30, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 12P 8.875" GM THIN 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12608
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12625
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Ring and Pinion Gears and Installation Kit, 8.5" GM 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)
Part Number: YGA-12631
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Yukon 1541H left hand inner axle for 8.5" GM Caprice and Impala
Part Number: YGA-21611
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Yukon steel spool for GM 12 bolt car with 30 spline axles, 4.10 & up
Part Number: YGA-32187
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles
Part Number: YGA-32193
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Mini spool for GM 7.5" with 26 spline axles
Part Number: YGA-32228
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
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