Upon purchase of our SM dual pump set up we highly suggest purchasing our install kit. Comes with everything needed to finish off the install of our dual pump set up. No need sourcing parts from multiple places to complete the install. Everything comes pre assembled for a painless install. Kits includes- - hobz switch w/ barb fitting adapter - Y fitting - Inline fuel filter -Inline fuse and all necessary wiring/connectors - Nylon E85 compatible 6an line -Fuel injection clamps for every connection