A simplified design replaces the stock Axial plastic diff cup and sintered locker with a one piece spool that reduces slop in your axles. 

Made from high quality US chromoly steel and heat treated for a durable and long lasting product at a great price.

Compatible with Axial's Stock and HD Machined gear sets. 

Fits Original SCX10, Wraith, Bomber, AR60 Deadbolt, AR60 Axles, SMT10