Free shipping on orders over $100 Details

NOS Pro Two-Stage Injector Plate

Pro Two-Stage Injector Plate, 1" Thick, w/4 Spray Bars, Plate & Jets Only, Holley Square Bore, V8

PART# 12570NOS

Be the first to write a review
$337.00   Suggested Retail
$302.95   Your Price
Free Shipping
In Stock  
Add to Wish List

Starting at $27 a month with Learn More


Pro Two-Stage Injector Plate, 1" Thick, w/4 Spray Bars, Plate & Jets Only, Holley Square Bore, V8 - Assure a steady, precise metered flow of nitrous and fuel for reliability. Backed with years of laboratory research, as well as dyno and drag strip testing. NOS Injector Plates are available for those who want to build their own system or upgrade their current nitrous system without having to go through the expense of a new complete system. This NOS Injector plate incorporates a low profile (1" thick) design and is constructed of solid billet or die cast aluminum with a durable black finish. Included are all applicable gaskets, studs, jets and plumbing.


  • Steady/Precise Metered Flow
  • Reliability Backed w/ Research
  • Dyno/ Drag Strip Testing
  • Build Your Own System
  • Low Profile Design- 1" Thick
  • Solid Billet /Die Cast Aluminum
  • Durable Black Finish


Emission Code4
Included Jetting Horsepower150, 185, 210, 250
Jet StyleFlare
Max Horsepower500
Plate Flange4150
Product TypeInjector Plate
System StyleWet
Part Number12570NOS

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

We Suggest
    Also Bought

        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.

         X  Roadkill Buick Sweepstakes
         X  Roadkill Buick Sweepstakes