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NOS Sniper Wet Nitrous Plate Kit - 4150 Square Bore

Adjustable From 150-250 horsepower 4150 Plate Kit. Includes 10 lb Sniper Orange Bottle, 4150 plate, and installation items

PART# 07002NOS

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$653.00   Suggested Retail
$586.95   Holleydays Price
Estimated shipping date: 12/15/2020
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NOS have built on the very popular, budget friendly, Sniper nitrous kits for those who need a little more power from their engines. The new Sniper 250 kits step up the power potential to an additional 250 horsepower, in a low cost single nitrous plate kit, for the popular carburetors, Holley 4150 (Square Flange) PN 07002NOS, 4500 (Dominator) PN 07003NOS & Spread Bore (Quadra jet) PN 07007NOS. These single stage wet kits have everything needed to add some extra power to your engine. The kit includes a 10 lb. Sniper orange nitrous bottle, 14 ft. -4AN feed line, stainless bar nitrous plate and the new, large body, Sniper Solenoids. Also included is all the hardware required as well as nitrous and fuel jetting for power levels of 150, 175, 200 & 250 horsepower, additional jets are available at For a budget friendly, big power nitrous kit, look no further than the Nitrous Oxide Systems Sniper 250 kits.


  • Budget Friendly
  • Easy to install
  • All installation hardware included
  • Up to 250 additional horsepower
  • Large Nitrous and Fuel Solenoids
  • Included jetting for 150, 175, 200 & 250hp
  • 14' long -4 AN Hose Length


Bottle ColorOrange Sniper
Bottle Size10 lb
Emission Code4
Included Jetting Horsepower150, 175, 200, 250
Jet StyleFlare
Max Horsepower250
Number of Plates1
Number of Solenoids2
Plate Flange4150
Product TypeNOS Kit
System StyleWet
Part Number07002NOS



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

Note; it is important to follow the installation instructions and to insure the fuel system has the capacity to supply the total power of the engine plus the added power of the nitrous system. This Nitrous system includes the 12500NOS Nitrous Plate that is Legal for Use in DXP Street Racing Class.
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       X  Holleydays 2020 20% off and DD
       X  Holleydays 2020 20% off and DD