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NOS BIG SHOT Wet Nitrous System, Black [190-300 HP] (4500 4-Barrel Carburetor)

$959.95

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Fits Holley 4500 Dominator, 190-300 HP, includes Black 10 lb Bottle
  • Includes unique Fogging design aluminum plate to vastly improve nitrous flow, fuel atomization, and mixture distribution
  • Includes jetting for 190, 225, 275, & 300 horsepower
  • This wet kit provides exceptionally smooth power delivery
  • Bottle is made from 6061-T6 Aluminum
  • Includes 10 lb. black nitrous bottle with brackets
  • Includes mounting hardware and instructions
Big Shot systems are designed for use on engines that have been extensively modified and intended primarily for competition applications. To supply the proper amount of fuel to the carburetor and Big Shot system, a fuel pump must be used that is designed to operate between 5 and 10 psi, with a flow rate of at least 0.1 gallons per horsepower per hour at 6 psi. High cylinder pressures are generated with the use of these kits, and this greatly increases the load on internal engine components.


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  • Model: 02102BNOS
  • FROM: NOS (Nitrous Oxide Systems)

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we added this on Thursday 25 October, 2018.

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