VALVE GUIDE SET RB25DE(T)/RB20DE(T) (TA309A-NS06A) 18505 The heat shield included in

The heat shield included in the kit blocks out the heat from the engine and maximize the cooling effect

low profile lighting solution that measures less than 2 inches tall

The bulk of the power gains from the IPD Plenum begin around 4000 rpm

sporty sound to your Explorer ST

The carbon construction allows us to keep the inside flow surface smooth which helps with reducing the surface friction and in turn allows airflow to move easier

VALVE GUIDE SET RB25DE(T)/RB20DE(T) (TA309A-NS06A) 18505 The heat shield included inWe 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 in 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 material has