CHECK THIS OUT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
RB development succeed to make an incredible release, named V15.
A .15 (2.5cc) engine in the same crankcase dimension of a .12(2.1cc) engine! The RB Concept V15 integrates all the technologies and experiences which have created the RB Concept Engine legend.
Features: Machined piston, 5-port chromed sleeve, exclusive and world-famous BiTurbo crankshaft, high quality racing bearings, and even more… The RB Concept Engine V15 offers the power of a .15 big block for racers who want to reach the limit of their cars!!