The RT-A10L-PR Kit is for the every day truck. Tt sets minimum pressure and boosted pressure to levels that are a match for stock power levels and boosted power 120HP over stock. 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.