Availability
Ring and Pinion Gears, 3.73:1 Ratio, 25-spline, Standard Ring Gear Rotation, GM 8.2 in., Set
Part Number: SPZ-36205
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set
Part Number: RMG-12BC342
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set
Part Number: RMG-GM75410TK
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36215
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36211
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.42 ratio
Part Number: SPZ-36165
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio
Part Number: SPZ-36169
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Mini Spool, MINI SPOOL GM 7 1/2" 28 SPL
Part Number: RMG-XL-5131
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36219
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36220
Not Yet Reviewed
Estimated Ship Date: Oct 22, 2025 if ordered today
Estimated Ship Date: Oct 22, 2025 if ordered today
Yukon positraction internals for GM 12 bolt car and truck with 33 spline axles
Part Number: YGA-16040
Not Yet Reviewed
Estimated Ship Date: Nov 5, 2025 if ordered today
Estimated Ship Date: Nov 5, 2025 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: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Spider Gears, Side Gears, Cross Pin Shaft, Roll Pin, 28 Spline, Posi, Rear, GM 7.5 in., GM 7.625 in., Kit
Part Number: YGA-16117
Not Yet Reviewed
Estimated Ship Date: Nov 5, 2025 if ordered today
Estimated Ship Date: Nov 5, 2025 if ordered today
Differential Ring and Pinion; GM 12 Bolt 8.875 - 5.13 Ratio
Part Number: SVL-2023908
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Spool, Mini, Steel, 28-spline, GM 7.625 in., Each
Part Number: YGA-32229
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Gear, Ring and Pinion, 4.10:1 Ratio, GM 7.5/7.625 in., Set
Part Number: RNB-697-306
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 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: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
MASTER SHIM KIT GM 8.2 EARLY CAR
Part Number: MGR-GM10MCSK
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. (12-Bolt), Set
Part Number: RNB-697-138
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
SOLID SPACER & SHIM KIT GM12 BOLT CAR
Part Number: MGR-4101
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Minimum Installation Kit, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-12055
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Ring and Pinion Gear Installation Kit, Bearing Overhaul, 30 Spline, GM 8.5 in., Kit
Part Number: YGA-11067
Not Yet Reviewed
Estimated Ship Date: Nov 4, 2025 if ordered today
Estimated Ship Date: Nov 4, 2025 if ordered today
Cross Shaft, Differential, Steel, GM 12 Bolt, with Mini-Spool, Each
Part Number: YGA-32236
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Clutch guide for GM 7.5" & 7.6" Yukon Dura Grip
Part Number: YGA-33251
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93
Part Number: RMG-XL-5640
Not Yet Reviewed
Estimated Ship Date: Oct 23, 2025 if ordered today
Estimated Ship Date: Oct 23, 2025 if ordered today
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