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NOS 1-1/8" NPT in 4 out Distribution Block - Red

Nitrous Distribution Block, 1-1/8” NPT in 4 out Distribution Block “Red”

PART# 16713NOS

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Nitrous Distribution Block, 1 In 4 Out 1/16" NPT Showerhead, Black - NOS NOS distribution blocks are precision machined to help distribute balanced amounts of nitrous and fuel to each intake port. NOS has taken the "showerhead" design distribution block and improved it by making it from stainless steel instead of brass. This equated to a more durable, stronger distribution block that can stand up to the rigors of drag racing. NOS has also released new distribution blocks that are used in the New Professional Fogger kits. The new distribution blocks are made from billet aluminum and bright dip anodized in red and blue for use on the fuel and nitrous sides. They have a 1/8" NPT inlet and include 3/16" compression fittings on the "Out" side that can be used with hard line or poly line.


  • Precision Machined
  • Distribute Balanced N2O Amounts
  • Distribute Balanced Fuel Amounts
  • Fittings Ordered Separately


Emission Code4
Inlet1/8NPT Female
Inlet Qty1
Outlet3/16 inch Compression
Outlet Qty4
Product TypeDistribution Block
Part Number16713NOS



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

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