We present the crankshaft evolution of the brand Motoforce for MBK Booster / Nitro can be mounted on cylinder kits sport and racing.
The crankshaft Evolution is equipped with full masses, a rod profile polished and silver needle bearings for piston pin Ø 10mm
For that price you get a high quality crankshaft may contain engine speeds up to 12 500/13 000 rpm.
Still we do not advise of Polini cylinders mounted kits Big evolutio, Malossi MHR Team, 2fast, etc.
