DESC: CEN racing's 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 Thunder is a stern driven craft, which includes CEN's 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 Thunders all come RTR with the Mirage III pistol grip radio. RTR (ready to run) w/radio GP Version Length: 820mm (32.28") Width: 270mm (10.63") Height: 190mm (7.48") Screw D40-1.6 Power: .16 (2.67cc) marine engine Weight: 1.90kg (4.22lbs) Drive System: Shaft drive system Duration of cruising: approx. 5min/75cc Description Item No. mph