Bypass Regulator recommended for steady-state mechanical and electric fuel pumps. Comes with stainless mounting bracket. All thread are NPT. -Eliminates creep at low RPM without affecting fuel flow -Adjustable from 4.5 - 9 PSI; Preset to 6.5 PSI -3/8 in. NPT ports -.375 in. (3/8 in.) restriction -Compatible for use with gas, alcohol and E85 fuels -Includes an 1/8 in.