Ferrea Nissan RB25DET 29.6mm 5.96mm 88.95mm 21 Deg Flo Stock Super Alloy Exhaust Valve - Set of 12

Ferrea is well-known for making high-performance valvetrain components, and these Super Alloy exhaust valves for the Nissan RB25DET are a prime example of their work. If you're rebuilding the top end of your RB25DET, whether for street use or more serious track applications, these valves are built to handle the demands of a performance engine. They are designed to be a direct replacement for your stock valves, making installation straightforward during your engine build.

These exhaust valves are constructed from a Super Alloy material, chosen for its ability to withstand the high temperatures and stresses found in the exhaust port of a performance engine. The specific dimensions, including a 29.6mm head diameter, 5.96mm stem diameter, and an overall length of 88.95mm, are engineered to match the flow characteristics and physical space of the stock RB25DET cylinder head. The 21-degree face angle is also a critical detail, ensuring a proper seal against the valve seat for optimal compression and performance.

This set includes 12 exhaust valves, enough to replace all the exhaust valves in your RB25DET engine. When installing these, it's always a good idea to have a valve seat grinding service performed on your cylinder head to ensure a perfect match between the new valves and the seats. This will help you get the most out of these well-built components and ensure a long service life for your rebuilt engine.