Del West Intake Valve Dwltr4501Iv11Hf

Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable Yamaha -- YFZ 450 4x2 -- (2005, 2009, 2006, 2008,...

The ultimate in high-performance valves for the serious engine builderNo compromise designHigh-flow design includes a 50 degree seat angle, no dish valve face and 5mm stem diameter (intake and...

Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable Yamaha -- YFZ 450 4x2 -- (2007, 2005, 2009, 2004,...

Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable Honda -- CRF250R -- (2013, 2012, 2014, 2017, 2016,...

Meets the demands of off-road, all valves are backed by an established record of performance and reliability in competition that is unapproachable Yamaha -- YFZ 450 4x2 -- (2007, 2006, 2005, 2009,...