ProX Racing Parts 31.1323 Cam Chain for CRF150R Powersports Timing Chain

The ProX Racing Parts 31.1323 Cam Chain is a high-quality replacement timing chain engineered for MX and powersports applications. Designed to OEM specifications for perfect fitment, this cam chain helps reduce engine noise, prevent premature wear, and extend the life of critical valvetrain components.

ProX sources its camchains through a long-standing partnership with Borg Warner in Japan, one of the most respected names in the industry and a primary supplier to major OEM motorcycle manufacturers worldwide. The result is a replacement chain that meets or exceeds factory specifications in both strength and durability.

Key Features:

• M-Type Chain Construction – Strong M-type link profile engineered for high-stress valvetrain applications
• Heat-Treated Pins – Special heat-treated pins deliver superior hardness and resistance to wear
• Advanced Pin & Link Connection – Precision-engineered connection system for maximum performance and long service life
• OEM-Spec Manufacturing – Manufactured by Borg Warner in Japan to meet or exceed OEM specifications and tolerances
• Reduced Friction – Optimized design minimizes friction for smooth, reliable cam timing operation
• Extended Service Life – Built to outlast standard replacement chains under demanding riding conditions

ProX Racing Parts has been a trusted name in powersports engine components since 1975, offering parts manufactured at world-class facilities that supply OEM brands globally. The 31.1323 cam chain is a direct drop-in replacement compatible with OEM valvetrain components.