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NOS Nitrous Solenoid - Black

TC178 High flow nitrous solenoid with a 0.178" outlet orifice and aluminum base.


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NOS TC178 Nitrous Solenoid was developed for one purpose; deliver the most nitrous volume possible for a single solenoid. With a 0.178" outlet orifice, the TC178 has the ability to flow in excess of 900 horsepower of nitrous from a single solenoid. The TC178 base is also constructed of 6061 Aluminum and then clear anodized. This reduces the weight by 1/4 of a pound over the NOS Super BigShot Trash Can Solenoid, and still retains the mounting location on the base. If maximum power from a single stage of nitrous is what you need, get the new NOS TC17 Current Draw is 20 Amps at 12 volts DC. This Solenoid can be used with a progressive controller


  • Supports in excess of 900 horsepower
  • Inlet Port Size - 1/4" NPT (Side)
  • Outlet Port Size - 1/8" NPT (Bottom)
  • Purge Port Size - 1/8" NPT (Side)
  • Orifice - 0.178"
  • Plunger - PTFE
  • Light Weight Aluminum - 1.66 lbs.
  • Material - 6061 Aluminum
  • Saves 1/4 lb. over similar steel solenoids


Amp Draw20A
Bracket(s) IncludedNo
Emission Code4
Fittings IncludedNo
Inlet AttachmentFemale Threads
Inlet Thread1/4" NPT
Material6061 T-6 Aluminum
Max Horsepower900
Outlet AttachmentFemale Threads
Outlet Thread1/8" NPT
Plunger MaterialPTFE
Product LineTC178
Product TypeNitrous Solenoid
Purge Port1/8" NPT
Solenoid Top Cover ColorBlack
Part Number18178BNOS

Service Parts



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

The TC178 offers a 1/8" NPT bottom exit and a 1/8" NPT purge port. The side purge port must be plugged if not used.
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