The RT-A10L-PRX Kit is designed for racing and sled pulling. It sets minimum pressure and boosted pressure levels that are a match to 800HP or higher, adjustable within the kit. Engines will run better after installing this kit becuase defueling under torque management will be eliminated. The transmission will have enough holding power to allow full fuel delivery. These kits feature a patented pressure relief and boost system and are easy to install without removing the transmission.