Description
The stock exhaust camshaft in your YZ450F limits your engine’s potential across the entire RPM band. HOT CAMS 4279-1E unlocks measurable gains in throttle response, mid-range torque, and peak horsepower—giving you the edge needed to compete at the highest levels. Available in Stage 1 (torque-focused) or Stage 2 (peak power) profiles, this camshaft is engineered for serious racers and builders who demand precision-tuned performance.
The integrated Improved Throttle Response (ITR) design sharpens throttle feel and eliminates dead spots, while precision engineering ensures reliability under extreme racing conditions. Whether you’re chasing top-end acceleration or building a balanced power curve, the 4279-1E delivers real, measurable performance gains that translate to faster lap times.
- Fits: Yamaha YZ450F 2014-2015
- MPN: 4279-1E
- Application: Exhaust camshaft
- Stage 1: Mid-range torque
- Stage 2: Peak horsepower
- Design: HOT CAMS ITR
- Construction: Precision-engineered
- Durability: Racing-grade reliability
- Installation: Direct bolt-on
- RPM Range: Full-spectrum gains
