The block has 1 - 1/8"npt inlet and 4 - 1/4-28 outlets.
16710NOS NOS Nitrous Direct Port Distribution Block - Black
NOS 1-1/8" NPT IN 4 OUT DISTRIBUTION BLOCK - BLUE 16714NOS
NOS NITROUS DISTRIBUTION BLOCK WITH LINES
NOS NITROUS DISTRIBUTION BLOCK 16769NOS
Painless Performance 80115 8-Point Distribution Block Red
Air/fuel/nitrous Distribution Block 1 Blue NEW With Fittings
