Availability
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, Set
Part Number: HUU-02-128
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.
Part Number: RMG-16-0090-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio
Part Number: SPZ-36180
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Axle Shaft, Front Inner, 4340 Chromoly, 28 Spline, 19.51 in. Length, GM 8.5 in., Each
Part Number: YGA-21365
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36212
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Full Size Spool, GM 8.5 in. 10 Bolt, 33 Spline, C-Clip Elim.Req'd., Steel
Part Number: RMG-81-1033-1
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set
Part Number: YGA-24494
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
RING AND PINION
Part Number: MGR-MGK-211
Not Yet Reviewed
Estimated Ship Date: Jan 23, 2026 if ordered today
Estimated Ship Date: Jan 23, 2026 if ordered today
Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set
Part Number: YGA-16064
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each
Part Number: YGA-20084
Not Yet Reviewed
Estimated Ship Date: Feb 3, 2026 if ordered today
Estimated Ship Date: Feb 3, 2026 if ordered today
Yukon Bearing install kit for GM 8.5" front differential
Part Number: YGA-11068
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 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: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each
Part Number: RMG-CSPGM85
Estimated Ship Date: Today
Estimated Ship Date: Today
Chromoly Front Axle Shaft - Inner (Dana 60) RH/LH
Part Number: SDH-10007809
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Differential Inner Gear Kit; GM 8.5 - 30 Spline, Open Diff
Part Number: SVL-10020478
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Axle Shaft, Front Inner, Driver Side, 1541H Alloy Steel, 28-spline, GM 8.5 in., Each
Part Number: YGA-21122
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1030-1
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
DIFFERENTIAL CARRIER
Part Number: YGA-11241
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Today
Axle, Rear, 28-Spline, 31.313 in. Length, Chevy, GMC, 8.50 in. Axle, Each
Part Number: RNB-630-102
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
USA Standard Gear standard spider gear set for GM 8.5", 30 spline
Part Number: SPZ-39027
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Yukon Pinion install kit for GM 8.5" front differential
Part Number: YGA-13070
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Ring Gear Bolt, Hex Head, 3/8-24 in. Thread Size, Steel, Natural, GM 8.2 in., Each
Part Number: YGA-33046
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set
Part Number: YGA-24492
Estimated Ship Date: Feb 5, 2026 if ordered today
Estimated Ship Date: Feb 5, 2026 if ordered today
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Estimated Ship Date: Today
Pinion Crush Sleeves, Steel, GM, 7.5 in., 7.6 in., 7.625 in., Pair
Part Number: RNB-81058
Estimated Ship Date: Today
Estimated Ship Date: Today
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