RFX Pro Engine Timing Plug Set Yamaha YZF450 06-09 WRF250/450 07-08 Rider Body Protection bones in the neck

bones in the neck

lightweight helmet carries over Bell's time-tested traditions of performance and advanced safety standards

and the new moisture-wicking

Two finger gripping ribs

RFX Pro Engine Timing Plug Set Yamaha YZF450 06-09 WRF250/450 07-08 Rider Body Protection bones in the neckRFX Pro Engine Timing Plug Set (Blue) Yamaha YZF450 06 09 WRF250 450 07 08 RFX Pro Series Engine Timing Plugs are manufactured from 7075 T6 aluminium for increased dimensional stability under high heat and pressure conditions. CNC machining for tighter manufacturing tolerances helps these plugs stay in place over standard plastic plugs which are prone to failing. RFX Engine plugs also feature handy 8mm and 6mm hex key heads for easier installation.