The block has 1 - 1/8"npt inlet and 4 - 1/8"npt outlets.
Nitrous Outlet Powersports 1 In 4 Out Distribution Block (1/8" NPT Inlet, 5-16/2
Nitrous Outlet 50-01722 Powersports 1 In 3 Out Distribution Block, 1/8 in. NPT
Air/fuel/nitrous Distribution Block 1 Blue NEW With Fittings
NEW Nitrous Distribution Block 1 in 4 out Billet Aluminum With 3/16 Hard Lines
16197F Nitrous Express Compact Distribution Block (1 In 4 Out) All Female Thread
Air/fuel/nitrous Distribution Block 1 Red NEW
