Twin Air Power Flow Throttle Body Kit | 160721 Grey This new Chain Guide design

This new Chain Guide design reinforces and strengthens the weak stock mounting bracket

17" diameter

55% Polyurethane 17% Acetate 14% Nylon 11% Polyester 3% Other

Silicon BNS pull tabs for easy and safe engagement of the BNS

‹¯¨Yamaha WR250F 2003-2014Yamaha WR450F 2003-2015

Twin Air Power Flow Throttle Body Kit | 160721 Grey This new Chain Guide designThe PowerFlow Throttle Body Kit is an off the shelf, easy to install, throttle body performance kit that creates more power and better throttle response. The kit comes with two different performance options, one for low mid range performance and the other for top end performance. Install and Remove without modifying the OEM Throttle body. Get Faster Smoother Throttle Response. Eliminate High End Flow Loss.