Billet Head - KTM 85 SX (2018-2024) - Performance Upgrade

Unleash the full potential of your KTM 85 SX with the HP Race Development Billet Head! Experience explosive power gains across the entire RPM range, giving you the competitive edge you need on the track or trail. Dominate the competition with enhanced throttle response, increased torque, and maximum horsepower.

We couple a fully made in USA phathead shell with our HPRD signature series billet head inserts using our custom combustion chamber profiles.  This upgrade provides unmatched cooling efficiency  and superior combustion chamber design, resulting in optimized performance and reliability.

• Optimized dome and Compression Ratio: Noticeable increase in horsepower and torque.
• Optmized Squish Clearance and Band Size: Improved combustion efficiency
• Optimized Cooling: Billet aluminum construction for efficient heat dissipation, optimized thickness and coolant routing
• Two-Piece Design: Interchangeable domes for fine-tuning performance profiles.
• Durable Construction: CNC-machined from high-quality billet aluminum.
• Made in USA: CNC-machined from high-quality billet aluminum right here in USA.

Fitment:

• KTM 85 SX (2018-2024)

Whether you're tearing up the motocross track, conquering challenging enduro trails, or pushing your limits in off-road racing, the HP Race Development Billet Head will take your KTM 85 SX  to the next level. Invest in the best, and experience the difference HPRD makes.