The 4 outlets are 5/16-24 thread, inlet is 1/8" male NPT and the gauge port is 1/8" female NPT. Compact distribution blocks were designed to assist in intake plumbing where space is very constrained.
16197F Nitrous Express Compact Distribution Block (1 In 4 Out) All Female Thread
Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit (35-50-75HP) w/1
Nitrous Express (NX) 70000 - Nitrous Express Piranha Nitrous Wet Nozzle NX-70000
Nitrous Express SNO-N0100 Nitrous Express SNO-N0100 Water/Methanol Nozzle
Nitrous Express SNO-201 Nitrous Express SNO-201 Water/Methanol Injection System
Nitrous Express SNO-N0500 Nitrous Express SNO-N0500 Water/Methanol Nozzle
