Grey Thunder GP CEN racings newest addition to its high performance boat line is the Grey Thunder. This boat features a true deep "V" hull design to handle even the toughest waves. The Grey Thunderis a stern driven craft, which includes CENs proven reliable NX-16 engine. This 2.67cc engine comes standard with a water-cooling head, which is connected to our high-performance tuned pipe for high speed boating action. Grey Thundersall come RTR with the Mirage III pistol grip radio. RTR (ready to run) w/radio GP VersionLength: 820mm (32.28")Width: 270mm (10.63")Height: 190mm (7.48")Screw D40-1.6Power: .16 (2.67cc) marine engineWeight: 1.90kg (4.22lbs)Drive System: Shaft drive systemDuration of cruising: approx. 5min/75cc Description Item No. mph Grey Thunder w/ .16 Engine 2058 28+ More details about product CEN RACING Grey Thunder GP .16 Engine/ RTR Radio Remote Control Boat