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Nitrous Express LT4 Supercharger Lid Nitrous Systems for 2017-2021 CAMARO, 2015-2019 CORVETTE, 2016-2019 CTS - 20939BMF-15
Part Number: NEX-20939BMF-15
Nitrous Express LT4 Supercharger Lid Nitrous Systems
Nitrous Oxide Injection System Kit Nitrous & Water Methanol System w/Billet LT4 Supercharger Lid 15lb Bottle
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
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Rebate Expires: 10/31/2026
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Overview
Brand:
Manufacturer's Part Number:
20939BMF-15
Part Type:
Product Line:
Summit Racing Part Number:
NEX-20939BMF-15
UPC:
653374976459
Delivery Style:
Supercharger lid
Nitrous System Style:
Wet
Nitrous System Intended Fuel Type:
Gasoline
Maximum Advertised Horsepower Increase:
300
Activation:
TPS
Jet Sizes Included (hp):
50, 100, 150, 200, 250, 300
Bottle Included:
Yes
Nitrous Bottle Capacity:
15 lbs.
Dual Stage:
No
Bottle Material:
Aluminum
Bottle Color:
White
Bottle Brackets Included:
Yes
Bottle Bracket Material:
Stainless steel
Quantity:
Sold as a kit.
Notes:
Lid is black anodized. Kit includes Nitrous Express Stage 2 water/methanol injection system.
Nitrous Express LT4 Supercharger Lid Nitrous Systems
Nitrous Express LT4 Supercharger lid nitrous systems replace your factory supercharger lid on GM LT4 Superchargers for a quick and clean install. The lids feature an improved airflow design that can increase up to 25 hp by itself, and increase power even more when your system is activated. Nitrous Express LT4 Supercharger lid systems are available as nitrous and nitrous/water methanol systems, with or without bottles. The nitrous spray bar system injects nitrous and fuel above each intake port, providing direct port-like distribution and ensuring maximum performance.
Nitrous systems include:
* Billet aluminum and carbon fiber lightning solenoids
* Industry exclusive billet aluminum Lightning 500 bottle valve
* Stainless steel braided lines
* Stainless steel bottle brackets
* Wiring, switches, and jetting for 100 to 300 wph
Nitrous and water/methanol systems will also include:
* Billet aluminum and carbon fiber lightning water/methanol solenoids
* High-pressure electric pump
* Stainless braided soft lines
* Pre-bent stainless steel hard lines
* Filtered nozzles
* Plated fittings
* Composite reservoir
* Switches
* NX Stage 2 digital progressive methanol controller
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