Tomei Valve Guide Set - 4B11 one_image as well as an increase

as well as an increase in torque

The progressive springs

Fast Ramp - The same technology used in Formula One racing

the coating lasts for up to 3 months

Turbosmart’s Tee Piece ensures accurate boost pressure control in various applications

Tomei Valve Guide Set - 4B11 one_image as well as an increaseWe 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