Redcat Racing Part 02024 Front/rear differential gear set (Set of 1).compatible with the following Redcat Racing vehicles: camo TT Pro, camo x4Pro, dukono, dukono Pro, lightning STR, SANDSTORM, SHOCKWAVE, Tornado EPX/EPXpro, Tornado S30, VOLCANO EPX/EPX pro, VOLCANO S30, vortex SS. Redcat Racingis located in the United States and has a full staff of support personnel tohelp you with your Redcat Racing product. Consult your vehicle manual forcorrect fitment and assembly. Since 2005 Red cat has been your source for fast- affordable - fun!