This is the Wheely King Complete Crawler Conversion Set from HPI.

FEATURES: Everything needed to transform the Wheely King into an all-out
            rock crawler
          Reduction gear box for a stump pulling 174:1 gear ratio
          2-1/4" (57mm) longer wheelbase for better stability
          Front and rear diff locks for increased traction
          Additional body mounts allow use of all Savage bodies
          Front battery layout moves weight forward for better crawling
            stability
          Steering servo mount repositions servo to allow battery to move
            forward
          Aluminum lower suspension links for durablilty and good looks
          High link suspension mount brackets for more ground clearance
          17mm hex hubs allow use of 17mm hex hub wheels

INCLUDES: #87633 Crawler Conversion Set, HPIC8763
          #87634 Reduction Gear Box Set, HPIC7634
          Four #3212 Rock 8 Bead Lock Wheels in Black, HPIC3210
          Four #4986 S Compound Rock Grabber Tires
          Instruction manual

REQUIRES: Installing all components onto Wheely King following instructions in
            manual

                                                                    jxs 2/09/09
                                                                         ir/jxs