Proflow's mechanical fuel pumps are affordable pumps that deliver superior flow. They are available in two versions; one has 1/4 in. NPT inlets and outlets, provides 5.7 to 8 psi, and can free-flow 80 gph. That's twice what a normal pump delivers. These pumps are plated or Raw Finish and corrosion resistance, The lower housings of both can be rotated through 360 degrees, to make fitting them into tight places a snap.