Boyesen reed valve replacement Pro Series:
For reconditioning an engine using parts identical to the original equipment
Contains : cylinder – piston – top engine gaskets
depending the application
It will be also more resistant than carbon fiber skid plates
KOPPELINGSNAAF WR250 93-04 YZ250 93-10 Boyesen reed valve replacement ProBilletproof Inner Hub Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Improves clutch performance and life Improves heat dissipation Precision machined from billet T 6 aircraft quality aluminum to aerospace tolerances, and hardcoated for five times the wear resistance to stock*