This is a Quick Change Main Gear Case for the Ofna Ultra GT LX Buggy. This can be used in the front or rear of the vehicle. FEATURES: Black nylon construction Rear portion slides off of bottom portion for quick differential removal. INCLUDES: One bottom half One removable half REQUIRES: Nothing. This is a direct replacement part. SPECS: Length: 70.5mm (2.78") Height: 54mm (2.13") cmc 04/23/02 ir/kh