Description
If you’re serious about maximizing your YZ450F’s performance, the Hot Cams Exhaust Camshaft 4281-2E is a direct bolt-in upgrade that delivers measurable gains across the entire RPM range. This Stage 1/Stage 2 design fundamentally improves throttle response and power delivery, giving you the edge in competition or trail riding. Whether you’re building a race engine or refreshing your top end, this camshaft is engineered for the demands of high-performance motocross applications.
- Yamaha YZ450F compatible (2014-2015)
- Hot Cams ITR technology included
- Stage 1 low-end torque focus
- Stage 2 peak horsepower optimization
- Mid-range and upper RPM gains
- Enhanced throttle response design
- Bolt-on installation
- Built for durability and reliability
- MPN: 4281-2E
- Engineered for high-performance racing









