Hammerhead 150 converted to 300cc

Gocart

[@ianlorimer2616]

Would you be able to supply links to where you purchased the engine and coolant parts please? Amazing build by the way, this is the kind of power I'm looking for!!..

[@4WD_Australia]

Sweet I got a 250cc and upgraded it to a 300cc and put 98 high octane and it wheelies with a tiny bit of throttle