Tomei Valve Guide Set - Nissan RB25DE(T)/RB20DE(T) Mitsubishi with Hardened being the firmest

with Hardened being the firmest compound

and it was developed without any compromise in structure

more subtle look compared to the standard orange units and are extremely simple to fit

but they're also perfect for securing your alloy wheels

We used the same breathable fabric as carbon bucket seats for maximum ventilation and comfort

Tomei Valve Guide Set - Nissan RB25DE(T)/RB20DE(T) Mitsubishi with Hardened being the firmestWe chose to use Phosphor Bronze (Cn Sn P alloy) to make our Valve Guides, for its highly tensile and superior heat transferring ability, which is vital, Intake, high power and high RPM outputting engines. Since race engines these days require more power at higher RPM use , these engines now experience more extreme heat conditions. These conditions will increase the deterioration rate on these valve train related components. The Phosphor Bronze