USA Standard Gear Parts and Accessories

Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set

Part Number: SPZ-36300

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Spartan Differential Locker, Dana 30, 27-spline Axle, Jeep, Ford, International, Each

Part Number: SPZ-17000

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

USA Standard Master Overhaul kit for the Ford 9" LM102910 differential

Part Number: SPZ-37033

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36073

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

USA Standard Master Overhaul kit Dana 80, Rear, Kit

Part Number: SPZ-37078

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

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 11/10/2025

• Free Shipping

Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36128

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Differential Carrier Rebuild Kits and Spider Gears, Ford 8.8 in., Side Gears, Rear, Limited Slip, Traction Loc, 31-spline, 10-bolt, Ford, Lincoln, Kit

Part Number: SPZ-39032

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

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 11/10/2025

• Free Shipping

USA Standard Master Overhaul kit Ford, Lincoln, 9.75 in., Rear, Kit

Part Number: SPZ-37087

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

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 11/10/2025

• Free Shipping

Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each

Part Number: SPZ-10383

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

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 11/10/2025

• Free Shipping

Spartan Differential Locker, Chrysler 8.25 in., 29-spline Axle, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: SPZ-17038

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

USA Standard Master Overhaul kit Chrysler, 9.25 in. ZF, Kit

Part Number: SPZ-37116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Differential Ring and Pinion, USA Standard replacement Ring & Pinion gear set for Dana 30 JK reverse rotation in a 3.73 ratio

Part Number: SPZ-36417

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Bearing and Seal, AX15 Transmission Bearing/Seal Kit w/Synchro Rings, 5-Speed Manual Trans USA Standard Gear

Part Number: SPZ-76069

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.88:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36127

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Master Overhaul kit Dana 44 differential, 30 spline, rear axle

Part Number: SPZ-37015

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Bearing and Seal, R151 Kit w/Synchro Rings 4Runner/Pickup/T100/Tacoma/Tundra 5-Speed Manual Trans USA Standard Gear

Part Number: SPZ-72191

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.08:1 Ratio, 17-spline, Standard Ring Gear Rotation, GM 55P, Set

Part Number: SPZ-36189

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit

Part Number: SPZ-ZMBK255

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order