Availability
Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit
Part Number: SPZ-37059
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36214
Estimated Ship Date: Today
Estimated Ship Date: Today
USA Standard Master Overhaul kit for the '09 and newer GM 8.6" differential
Part Number: SPZ-37060
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea
Part Number: SPZ-10728
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal
Part Number: SPZ-10718
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal
Part Number: SPZ-10722
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 8.25 in., IFS, Set
Part Number: SPZ-36207
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 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: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
USA Standard Master Overhaul kit for the '99 and newer GM 8.25" IFS differential
Part Number: SPZ-37053
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal
Part Number: SPZ-10717
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.6" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals
Part Number: SPZ-10745
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal
Part Number: SPZ-10723
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36218
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears,USA Standard 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal
Part Number: SPZ-10719
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal
Part Number: SPZ-10725
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 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: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"
Part Number: SPZ-39036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals
Part Number: SPZ-10733
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each
Part Number: SPZ-35107
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Transfer Case Rebuild Kit, Bearing Kit, New Venture 246, Cadillac, Chevrolet, GMC, Kit
Part Number: SPZ-71674
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 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: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal
Part Number: SPZ-10724
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set
Part Number: SPZ-36213
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears
Estimated Ship Date: Today
USA Standard Master Overhaul kit GM, 9.76 in., Kit
Part Number: SPZ-37119
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster