Availability
Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36214
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
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: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36045
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each
Part Number: SPZ-17040
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36040
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 11/3/2025
Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each
Part Number: SPZ-17032
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 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: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit
Part Number: SPZ-37008
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio
Part Number: SPZ-36051
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered 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: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
USA Standard Master Overhaul kit for the GM 8.5 front differential
Part Number: SPZ-37056
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, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36041
Not Yet Reviewed
Estimated Ship Date: Monday 11/3/2025
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gears, Dana 44, 3.08:1 Ratio, 26-spline, Standard Rotation, Dana 44, Chevrolet, Dodge, Ford, GMC, International, Isuzu, Jeep, Set
Part Number: SPZ-36038
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Spartan Differential Locker, Dana 44, 30-spline Axle, Jeep, Ford, Dodge, International, Isuzu, Each
Part Number: SPZ-17001
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
USA Standard Ring & Pinion gear set for GM 12 bolt truck in a 3.73 ratio
Part Number: SPZ-36176
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Transmission Bearing and Seal, Getrag-5 Speed Transmission Bearing/Seal Kit w/Synchro Rings, 5-Speed Manual Trans 0.9 Inch Input/Output Bearings
Part Number: SPZ-79068
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, 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: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 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: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set
Part Number: SPZ-36042
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set
Part Number: SPZ-36053
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered today
USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio
Part Number: SPZ-36298
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 if ordered 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: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Monday 11/3/2025
Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36217
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2025 if ordered today
Estimated Ship Date: Nov 18, 2025 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: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.