Tomei Valve Guide Set - 4B11 one_image Included with the filter is

Included with the filter is a unique Composite Velocity Stack that incorporates golf ball like dimples on the surface that create an energized boundary layer that reduces surface drag and allows air to stay attached as it curves into the bell mouth

Deutsch DTM4 Connector Kit (Female) to suit Link CAN Bus connections

The progressive springs

as well as an increase in torque

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

Tomei Valve Guide Set - 4B11 one_image Included with the filter isWe 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