I ran this engine in my Traxxas Revo for about 1 gallon and it was just too much power. Engine is just barely broke-in and should last many more seasons. Comes with upgraded cooling head. Its a direct drop in for any 1/8th scale.
Displacement: 4.42cc (0.27 cid)
Practical rpm: 4,000-39,000
Power Output: 3.1HP@ 39,000 rpm
Crankshaft thread style: pilot shaft
Asking 140 shipped