AMERICAN MOTORS USA Standard Gear Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Spartan Lockers Dana 30 SL D30-27

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: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG D30-456 Dana 30 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36026

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D30-373 Dana 30 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36024

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Bearing Kits ZBKM35

Ring and Pinion, Installation Kit, AMC, Model 35, Non-Rubicon, Kit

Part Number: SPZ-58017

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK M20

USA Standard Master Overhaul kit for the 'Model 20 differential

Part Number: SPZ-37065

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spartan Limited Slip 27 Spline Differential Dana 30 SL D30-4-27-LSD

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: Tomorrow

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USA Standard Gear Spider Gear Sets ZIKD30-S-27

USA Standard Gear open spider gear set for Dana Spicer 30, 27 spline

Part Number: SPZ-39005

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D30-427 Dana 30 4.27 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion replacement gear set for Dana 30 in a 4.27 ratio

Part Number: SPZ-36348

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D30-411 Dana 30 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36025

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK D30-F

USA Standard Master Overhaul kit Dana 30, Kit

Part Number: SPZ-37004

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spartan Lockers Dana 35 SL M35-1.5-27

Spartan Differential Locker, Dana 35, 27-spline Axle, Jeep, 1.560 in. Carrier, Each

Part Number: SPZ-17007

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

USA Standard Gear Bearing Kits ZBKM20

AMC M20 BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58053

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK M35

Ring and Pinion Gear Installation Kit, AMC Model 35, 26-Spline Pinion, Kit

Part Number: SPZ-37066

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Estimated Ship Date: Dec 23, 2025 if ordered today

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-SM

SPRING AND PIN KIT

Part Number: SPZ-17011

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spartan Lockers Dana 35 SL M35-1.6-27

Spartan Differential Locker, Dana 35, 27-spline Axle, Jeep, 1.625 in. Carrier, Each

Part Number: SPZ-17008

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Powertrax Lock-Right Lockers Dana 35 2311-LR

3 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG M35-355 AMC Model 35 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 26-spline, Standard Ring Gear Rotation, AMC Model 35, Set

Part Number: SPZ-36234

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spools and Mini Spools ZP FSM20-3-29

USA Standard steel spool for Model 20 with 29 spline axles, 3.08 & up

Part Number: SPZ-59020

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG M20-456 AMC Model 20 4.56 Gears

USA Standard Ring & Pinion gear set for Model 20 in a 4.56 ratio

Part Number: SPZ-36231

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spider Gear Sets ZIKM35-S-27-1.5

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, AMC Model 35, 27-spline, 10-bolt, Rear, American Motors, Jeep, Kit

Part Number: SPZ-39030

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG M20-488 AMC Model 20 4.88 Gears

USA Standard Ring & Pinion gear set for Model 20 in a 4.88 ratio

Part Number: SPZ-36232

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-D30

Crosspin, Replacement, Steel, Spartan, Dana 30, Each

Part Number: SPZ-17016

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D30-354 Dana 30 3.54 Gears

Ring and Pinion Gears, 3.54:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36023

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG M20-411 AMC Model 20 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 38-spline, Standard Rotation, AMC Model 20, American Motors, Hummer, Jeep, Set

Part Number: SPZ-36230

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-M20

Crosspin, Replacement, Steel, Spartan, AMC Model 20, Each

Part Number: SPZ-17025

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG M35-456 AMC Model 35 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, AMC Model 35, Set

Part Number: SPZ-36237

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today