The new and exclusive VS Racing VSR04 super long stroke .21 on-road engine is based on the very powerful O.S. Speed R2102 and is an extraction of the worldfamous OS Max precision and technology together with some addional 'Rody' touch and development, equipped with a VS Bi-Turbo crankshaft and VS Spec combustion chamber. 

Gens ace Battery LiPo 2S-7.6V-100C-5500 (5mm) Shorty 97x48x26mm 220g