Yamaha YZ 450 F Exhaust Camshaft - Hot Cams - Stage 1 - '18-'19. A dyno-proven exhaust camshaft designed to improve midrange and top-end response for the 2018–2019 YZ450F with a straightforward Stage 1 profile.

Engineered in the USA using advanced valvetrain software, this Hot Cams Stage 1 exhaust camshaft delivers a modest, reliable 5–10% power gain when matched with appropriate supporting tune and components. CNC-machined from 8620 billet, case-hardened steel, the cam provides precise lobe profiles and consistent fitment. The Stage 1 profile is intended for riders seeking improved throttle response and broader usable power without extensive additional modification. Installation is straightforward and the part requires no core exchange.

Features

• CNC-machined 8620 billet, case-hardened steel construction for durability and accuracy
• Dyno-proven design developed with valvetrain software in the USA
• Stage 1 profile delivers 5–10% power gain in typical applications
• Fits 2018–2019 YZ450F; also applicable to certain WR450F and YZ450FX model years where indicated
• Easy installation; no core exchange required

If you have questions or want help confirming fitment for your bike, call us directly — we’re happy to advise. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call us at 512-982-9393 (TX) or 562-981-6800 (CA).

Thinking about purchasing multiple items? Contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov