YFZ450R Breather Box YZ450 must relocate electrical relay

must relocate electrical relay

It offers smoother airflow and improved throttle response compared to OEM part

2 stinger size 1

Engineered for real horsepower and race-winning performance

oversized billet throttle body

YFZ450R Breather Box YZ450 must relocate electrical relayHit high RPM without losing oil! The RP Race YFZ450F Breather Box (oil return tank) is designed for easy installation to prevent oil loss at high RPMs. Quick install oil return tank Prevent oil lost at high RPM Clean, hassle free installation to get you back on track fast. Sleek black powder coated finish as standard. Shiny polished upgrade available upon request. Those are really popular in GNCC racing. You can also add our optional rugged silicone