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AMC Model 20 Spartan Locker 29 Spline With Gasket

  • Image 1
SL M20-29 - YCGM20 - RTV
7.00 LBS
Calculated at checkout

Product Description

Spartan Locker

The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! Spartan mechanical locker provides power to both wheels equally when throttle is applied. Clicking noise while cornering and extra driveline slop are common side affects of a mechanical locker. Mechanical lockers may be to noisy and aggressive for some street applications.

  • Made From High Strength 9310 Steel
  • Revolutionary Spring & Pin Design
  • Replaces Spider Gears in Standard Open Carrier
  • 1-Year Manufacturer's Warranty  

Application: 1976-1986 Jeep CJ AMC Model 20 Rearend

Rear Cover Bolts: 12

Axle Splines: 29

Compatibe Carrier: Standard open (will Not fit Posi/Locker type Carrier)


Package Includes

1- Spartan Locker   

1- Cover Gasket

1- Small Tube of Silicone (1/2 Oz)

1- Instruction Book

1- Spartan Sticker                                                                                                  

Product Videos

USA Standard Unboxing - Spartan Locker (02:16)
Unboxing the Spartan Locker from USA Standard Gear. The Spartan Locker is an automatic mechanical locker, known as a 'lunchbox locker' for its ease of install. Featuring a patented design that increases strength and durability vs. other lunchbox lockers. A popular choice for aggressive off-road usage.
  • USA Standard U...
    Unboxing the Spartan Locker from USA Standard Gear. The Sparta...

Warranty Information

1-Year Manufacture's Warranty

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