BGM Stroker crank Go for it nibbles,sounds like a solid combination for making power.Don't forget it takes a COMBINATION of parts that work together to make respectable power. Not only the crank but,porting,correct carb. size,air filter and exhaust must complement each other.
yhyh iv got 25mm polini carb 172 kit ported bigger crank gear up kit pm 59 pipe race filter better rollers new clutch springs better reed block and reeds cdi gonna be pretty kwik hopefully but my budget is absolutely maxd out so thats all i can afford lol nibbles