Manley 11245-8 Manley Race Series Gen II Custom Valves Timing Belts Level your truck the simple

Level your truck the simple way

Upgrade to polyurethane with this bushing set

Using the correct Sierra Marine rebuild kit ensures proper fuel metering

Product 58850 is verified for correct specifications and dimensional accuracy before shipment

Part 67810 is configured for its specific application with attention to fitment requirements

Manley 11245-8 Manley Race Series Gen II Custom Valves Timing Belts Level your truck the simpleThe Manley 11245 8 Manley Race Series Gen II Custom Valves are high performance engine valves engineered for intake and exhaust duty in street, strip, and marine engines. As the gateway controlling airflow into and out of the combustion chamber, valve quality directly affects flow, sealing, and high RPM stability. These valves are designed for enthusiasts who demand consistent performance at elevated RPM. CNC machined from premium stainless steel,