VELOCITY STACKS YZF450 10-13, PROX 38.VS2001

The latest generation of MX bikes is brought to market using Electronic Fuel Injection. The majority of the OEM throttle bodies are designed for higher RPM horsepower. However, the lower rev range, exactly the area where the power is needed!

Yamaha YZ450F (2010-2013),

ProX Velocity Stack 38.VS2001