PROX Steel Intake Valve and Spring Kit for Honda CRF450R (2002-2008) - Part Number 28.SIS1403-2

Replaces the OEM valves & valve springs

Steel, nitrided valves for increased durability and less wear under extreme conditions

Stronger valve springs deal with the extra weight of the steel valves

Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm

Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals

Upgrade your Honda CRF450R with the PROX Steel Intake Valve and Spring Kit, designed specifically for models from 2002 to 2008. This comprehensive kit includes high-quality steel intake valves paired with durable springs, ensuring reliable performance and enhanced engine efficiency. Crafted for precision and longevity, the PROX parts help optimize airflow and improve throttle response for competitive riding or recreational use. Installation is straightforward for experienced mechanics and enthusiasts seeking to maintain or boost their ATV's performance.

Constructed with robust materials, this kit provides excellent resistance to wear and heat, making it suitable for demanding riding conditions. The PROX brand is known for its reliable aftermarket motorcycle components, and this kit continues that reputation by offering a perfect fit and consistent performance. Whether rebuilding an engine or upgrading for better power delivery, this intake valve and spring set is an essential component for maintaining your Honda CRF450R’s top performance.

Ensure your ATV runs smoothly and efficiently with this premium kit, designed to meet the high standards of riders who demand durability and precision from their engine components.

Features:

• High-quality steel intake valves for durability and performance

• Spring kit designed for reliable valve operation

• Specifically engineered for Honda CRF450R models from 2002 to 2008

• Enhanced airflow and throttle response for improved engine efficiency

• Simple installation suitable for experienced mechanics and enthusiasts