Twinair Powerflow Throttle Body Kit / Injectie gasklephuis - Yamaha YZ250F/450F Engineered from Renthal's exclusive 7010

Engineered from Renthal's exclusive 7010 T6 aluminum

Go way back to the 80's with this vented trucker hat

Accepts OEM O-rings

Custom intake manifold boot that offers a straighter shot to the intake that greatly enhances both airflow and performance

Standaard stalen tandwiel

Twinair Powerflow Throttle Body Kit / Injectie gasklephuis - Yamaha YZ250F/450F Engineered from Renthal's exclusive 7010This Twin Air powerflow throttle body kit contains: It improves the engine speed, depending on the configuration. One orange inlet tube One pin Two throttle valves (small and large diameter) Two screws Configuration 1: increases power and acceleration at low and medium revs. Configuration 2: increases power at high revs. (without the orange inlet tube)