CORONA, CA – January 10, 2019 – Pro Circuit is excited to announce the 2019 CRF450R High-Compression Piston is now available and ready to increase performance for the new 450 Honda models. Pro Circuit High-Compression Pistons are forged from high-quality aerospace aluminum alloy using advanced CNC-machined technologies. The result is a significant gain in low-end torque and high-RPM performance. These piston kits are manufactured by JE Pistons and are designed for exceptional performance in either stock or modified engines and is a must-have engine part for serious racers.

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