Nitrous Express Restricted Nitrous Class Nitrous Systems 55040-12

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Part Number: NEX-55040-12

$2,168.17

Nitrous Express Restricted Nitrous Class Nitrous Systems

Nitrous Oxide Injection System Kit 4150 GASOLINE (RNC) WITH 12LB BOTTLE
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Nitrous Express Restricted Nitrous Class Nitrous Systems 55040-12

Nitrous Express Restricted Nitrous Class Nitrous Systems 55040-12

NEX-55040-12

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Part Number: NEX-55040-12

Estimated Ship Date: Oct 21, 2026

$2,168.17

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Estimated Ship Date: Oct 21, 2026 Would you rather pick it up?

  • Rebate Expires: 10/31/2026

    Get a FREE T-Shirt on qualifying Nitrous Express purchases! Visit www.summitracing.com/go/nex for redemption information.

    Get a FREE Shirt after rebate on Nitrous Express purchases of $199 or more! Visit www.summitracing.com/go/nex for details and redemption form. Valid on purchases made between 8/14/26 and 10/31/26. Rebate must be submitted no later than 30 days after purchase date. U.S.A. residents only. Limit one free T-shirt per qualifying transaction. Cannot be combined with any other offer. End consumer rebate only. Purchases must total $199 or greater at MAP price in a single transaction.

Conventional RNC Systems

Conventional RNC Systems

Overview

Brand:
Nitrous Express (NX)
Manufacturer's Part Number:
55040-12
Part Type:
Nitrous Oxide Systems
Product Line:
Nitrous Express Restricted Nitrous Class Nitrous Systems
Summit Racing Part Number:
NEX-55040-12
UPC:
653374501286
Delivery Style:
Square bore plate
Nitrous System Style:
Wet
Nitrous System Intended Fuel Type:
Gasoline
Maximum Advertised Horsepower Increase:
650
Activation:
WOT switch
Jet Sizes Included (hp):
300, 350, 400, 450, 500, 550, 600, 650
Bottle Included:
Yes
Nitrous Bottle Capacity:
12 lbs.
Dual Stage:
No
Bottle Material:
Carbon fiber
Bottle Color:
Natural
Bottle Brackets Included:
Yes
Bottle Bracket Material:
Stainless steel
Quantity:
Sold as a kit.
Notes:
Kit includes 8AN feed lines, 6AN , -4AN line to plate, and every nut, bolt and electrical connector needed to complete the installation, comes with bottle bracket.

Nitrous Express Restricted Nitrous Class Nitrous Systems

Attention Restricted Nitrous Class racers: Nitrous Express RNC nitrous plate systems maximize the amount of pure, liquid nitrous delivered through a limited jet size. NX conventional RNC systems feature CNC-machined large orifice center bar billet nitrous plates that have only one nitrous jet and one fuel jet. RNC conventional systems are available with or without nitrous bottle.

Nitrous Express RNC nitrous plate systems include:

* 8 AN feedline
* 6 AN to 4 AN custom line from the N2O solenoid to the plate
* .178 in. nitrous solenoid
* .310 in. fuel solenoid
* Solenoid mounting plate
* Heavy-duty relay and harness
* WOT activation switch
* Master arming switch
* Stainless steel brackets included with bottle systems
* Jetting from 300 to 650 hp
* Every nut, bolt, and electrical connector needed to complete the installation

Applications

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