Mac Valve (CO2 Boost Control Solenoid) Straight Solenoid Mounting Bracket Motion Raceworks P/N: 21-10006 Mount Using Bolts through Sheet Metal/Brackets, or Clamp to a Chassis Bar. Nickel-Plated T with 1/8NPT Female Outlet Motion Raceworks Mac Valve (CO2 Boost Control Solenoid) Straight Solenoid Mounting Bracket - P/N: 21-10006 - This setup allows you to mount using bolts through sheet metal/brackets, or clamp to a chassis bar. Connects solid with a T, and gives inlet and outlet possibilities. We thought of everything with this. Included: Black Anodized Bracket Hardware, 2 bar clamps, Nickel plated T with 1/8NPT female outlet. For full plumbing questions, reference the attached diagram (in photos).