This is the replacement Recoil Unit for the SuperTigre / G-27CX Engine used in the DuraTrax Warhead - DTXG0255. / / FEATURES: Black plastic construction / / INCLUDES: One assembled recoil unit (pull start) - key number 20 / Three 2.6x5mm hex head screws - key number 21 (requires a 2mm hex / whrench for installation - GPMR8011) / / REQUIRES: One-way bearing - salvage from old recoil or order - DTXG0637 / / SPECS: Depth:.78" (20mm) / Width: 1.52" (39mm) / Height: 1.25" (32mm) / / kpm11/30/2005 / ir/jxs