18% Higher Volume Than Standard. High Pressure Spring Installed From Factory. Standard Pressure Spring is Included as well As Well as Higher. Screw in Valve Relief Spring Plug To Change Pressure. Uses 7/8 Bolt On Screen (Stock).The cast aluminum housing is CNC machined and hardcoat anodized. The cast iron cover is CNC machined and phosphate coated. The relief valve features a screw in valve plug with the optional stock volume spring supplied.
Uses stock bolt on screen.