The block has 1 - 1/8"npt inlet and 4 - 1/8"npt outlets.
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
Air/fuel/nitrous Distribution Block 1 Red NEW
NOS 1-1/8" NPT IN 4 OUT DISTRIBUTION BLOCK - BLUE 16714NOS
00-01756 Nitrous Outlet Compact Billet 1 in 6 Out Distribution Block
50-01723 Nitrous Outlet Powersports 1 In 3 Out Distribution Block w/Fittings
