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NOS Dry BigShot Plate Only Kit

Dry Bigshot Plate Only Kit For 4150 Type Throttle Body

PART# 12567NOS

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The NOS Dry BigShot "Plate Only" kit ideal for the racer that wants to put together their own components for a custom nitrous system. This kit includes a billet, 1/2" thick nitrous plate that mounts between a 4150 style flange throttle body and the intake manifold. A single stainless steel, 34 hole, spray bar delivers nitrous to the engine.


  • Specifically designed for use with EFI Systems
  • 1/2" NOS Blue Anodized Plate
  • 4150 Style Mounting Flange
  • Longer Mounting Studs
  • Single, 34 hole, Stainless Spray Bar


Emission Code4
Material6061 T-6 Aluminum
Max Horsepower300
Plate Flange4150
Product TypeNOS Kit
System StyleDry
Part Number12567NOS



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

This kit is a "Dry" kit, meaning no additional fuel is added through the nitrous kit, as in a traditional nitrous/fuel system. This kit requires an EFI system that has the ability to add fuel when the system is activated.
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