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NOS Showerhead Distribution Block

3/8” NPT Inlet – 4 x 1/8" NPT Outlets, Fittings Included

PART# 16754NOS

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Quality distribution blocks are a necessity for today's multi-stage, high powered Nitrous systems. The engineers at NOS have taken the tried-and-true showerhead design and turned it into a low profile, user friendly design. The parallel inlet/outlet design allows for a much more compact installation of the Nitrous solenoid feed lines. The internal passages are profiled to maximize flow and minimize pressure drop across the distribution block. For the best flowing, most compact showerhead distribution blocks, look for the NOS Logo.


  • 6061 Aluminum construction for light weight, strength and durability
  • 3/8” NPT inlet with AN6 fitting included
  • 4 x 1/8" NPT outlets with AN4 fittings included
  • Parallel inlet/outlet design for a compact assembly
  • Profiled internal passages for maximum flow & minimum pressure drop
  • Available in anodized black or NOS blue
  • Can be used with Nitrous, Gasoline, Alcohol or other fluids
  • Supplied fittings are 2024 aluminum


Emission Code4
Fitting Material2024 Aluminum
Inlet Thread3/8" NPT
Material6061 Aluminum
Outlet Thread1/8" NPT
Product TypeDistribution Block
Part Number16754NOS



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

For use in Multi-Stage Direct Port Nitrous or Fuel applications
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