From the most famous and professional manufacturer in China. Offer OEM engines for many world famous RC manufacturers. Also borne the brands of ASP, MAGNUM, SC, DC. Displacement:14.95cc RPM range:2,000-17,000(r.p.m) Output: 2.10/16,000(kw/r.p.m) Weight: 720g Suitable Prop:13x8-14x8 MOUNTING DIMENSIONS(specs are according to real measure, may slightly different to official figures): Distance between mounting holes on same side: 25mm Distance between mounting holes on opposite side: 52.5 Length from back of crankcase to end of output shaft: 129mm Length output shaft: 36mm (outside) Diameter of output shaft: 7.9mm Height from bottom of crankcase to top of cylinder head: 102mm Width at mounting flanges: 61mm Width at crankcase: 42mm Distance of muffler mounting bolts(center to center): 42mm