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  Store > Spartan Lockers >

M20 / AMC Model 20 Spartan Locker | 29 Spline
Spartan Locker
Photo is for illustration purposes only and may
not be an accurate depiction of this product.
  
List Price: $463.97
Your Price: $386.64



Status: In Stock
Product Code: SL-M20-29


Add Cryogenic Treatment Service [+$125.00]
- Increases strength and durability of lockers by 20-50%.
- Improves case and core hardness transition and microstructure.
- Relieves internal stresses and reduces microfractures.

Services are performed by Crown Race Gears.
Service times vary by season (2 to 6 weeks).

Qty:  
Description Compatibility Part Numbers
 

Model: SL M20-29
Axle: Model 20
Shafts: 29 Spline
Gears: All

This Spartan Locker fits AMC Model 20 (M20) axles with 29 spline axle shafts.


How Does The Spartan Locker Compare To Other Lockers?

[ Jump To Spartan Locker Section Of Video | Crawlpedia Differential Locker Comparison ]



(To skip ahead to the Spartan Locker section of the video, go to minute 21:35 or click here.)


Spartan Lockers are ratchet style lockers (similar to Detroit Lockers) that replace the differential spider gears to provide reliable traction at a low cost while still allowing for wheel speed differentiation when turning on high traction surfaces like pavement. Unlike other "lunchbox" lockers, the Spartan locker's design does not use thrust washers and has a revolutionary spring and pin design that makes them very easy to install without needing to remote the differential carrier from the axle. The couplers and drivers are made from 9310 steel for added strength and everything is covered by a one year warranty.


Spartan Locker Installation

(Installation can also be performed with the differential still mounted in the axle housing.)

Spartan Locker images are © Copyright USA Standard Gear, used with permission.
Additional images and product descriptions are © Copyright Filthy Motorsports, LLC.
Features
  • Affordable Price
  • Easy Installation
  • 100% traction to both tires
  • 1 year warranty


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