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Spartan Locker for Model 20 differential with 29 spline axles, includes heavy-duty cross pin shaft | SL M20-29 | RANDYS Worldwide

Product Details

The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap!

  • Fits AMC Model 20
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
  • Mechanical locker delivers reliable 100% lockup

Technical Notes

Warranty Information

Warranty information unavailable

Compatible Differentials


Brand USA Standard Gear
Prop65 Warning WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to
Keywords 29spl,LOCKER,M20,M20-SL-29,POSI,PT,SL,SPARTAN,with12,X/Pin
Ratio 2.00
EndRatio 8.00
UPC 883584170068
ProxyNumber 17006
Width 6.00 in
Length 6.00 in
Depth 6.00 in
Weight 5.5600 lb
Brand: USA Standard Gear

Spartan Locker for M20, 29 spline axles, includes heavy-duty cross pin shaft

SL M20-29

16 in stock, backorders available

$633.89 $507.11
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Warehouse Availability
  • CA 1
  • KY 2
  • MN 0
  • TX 3
  • WA 10