Nitrous Express
Nitrous Plate Conversion Hemi 5.7L/6.1L/6.4L NX958
Nitrous Plate Conversion Hemi 5.7L/6.1L/6.4L NX958
Part number: 8MH27
Regular price
$954.34 USD
Regular price
Sale price
$954.34 USD
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Quantity
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
EFI Nitrous Plate Conversion Hemi by Nitrous Express. Check the part number and details below against what you are replacing. Larger injectors are needed when an engine makes more power, together with a tune.
Quick facts
- Brand: Nitrous Express
- Part type: Fuel injector
- Engine: 5.7L
Listed fitment
- 2014 Dodge Challenger Base
- 2017 - 2022 Dodge Challenger GT
- 2017 - 2019 Dodge Challenger R/T 392
- 2012 - 2014 Dodge Challenger R/T Classic
- 2016 Dodge Challenger R/T Plus Shaker, 392 Hemi Scat Pack Shaker, R/T Shaker
- 2015 - 2016 Dodge Challenger R/T Plus, Black Line
- 2016 - 2022 Dodge Challenger R/T Scat Pack
- 2021 Dodge Challenger R/T Scat Pack Shaker Widebody, T/A 392 Widebody
- 2013 - 2014 Dodge Challenger Rallye Redline
- 2011 - 2012 Dodge Challenger RT
- 2015 - 2019 Dodge Challenger Scat Pack
- 2020 - 2021 Dodge Challenger Scat Pack 392 Widebody
- 2009 - 2011 Dodge Challenger SE
- 2015 - 2018 Dodge Challenger SRT 392
- 2018 Dodge Challenger SRT Demon, Edicion Especial
- 2017 Dodge Challenger SRT Go Mango
- 2015 - 2022 Dodge Challenger SRT Hellcat
- 2019 - 2022 Dodge Challenger SRT Hellcat Redeye Widebody, SRT Hellcat Redeye, R/T Scat Pack Widebody
- 2018 - 2022 Dodge Challenger SRT Hellcat Widebody
- 2022 Dodge Challenger SRT Jailbreak
- 2020 - 2022 Dodge Challenger SRT Super Stock
- 2011 - 2018 Dodge Challenger SRT, SXT Plus
- 2008 - 2014 Dodge Challenger SRT8
- 2009 - 2022 Dodge Challenger SXT, R/T
- 2017 - 2018 Dodge Challenger T/A 392, Dual Stripes, T/A
- 2006 - 2007 Dodge Charger Base
- 2006 - 2019 Dodge Charger Daytona R/T
- 2017 - 2018 Dodge Charger Daytona, Daytona 392, R/T 392
- 2018 - 2022 Dodge Charger GT
- 2015 - 2016 Dodge Charger R/T Road & Track
- 2011 Dodge Charger R/T Road and Track
- 2015 - 2018 Dodge Charger R/T Scat Pack, SRT 392
- 2019 - 2022 Dodge Charger Scat Pack
- 2020 Dodge Charger Scat Pack 392 Widebody
- 2022 Dodge Charger Scat Pack Widebody, SRT Jailbreak, SRT Hellcat Redeye Widebody
- 2006 - 2018 Dodge Charger SE
- 2015 - 2021 Dodge Charger SRT Hellcat
- 2021 Dodge Charger SRT Hellcat Redeye
- 2020 - 2022 Dodge Charger SRT Hellcat Widebody
- 2006 - 2014 Dodge Charger SRT8
- …and 77 more
Tip: Use new O-rings and lubricate them lightly with clean oil before installation.

Nitrous Express fuel injectors: what to know
Clogged or leaking injectors cause misfires, rough idle and poor economy.
Fitment notes
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from Nitrous Express and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Fuel filter. Protects new injectors.
More for your car: All Fuel Injectors · Fuel & air intake
Questions about fuel injectors
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do bigger injectors need a tune?
Yes. The engine computer must be told the new flow rate.
Where do specs and warranty details come from?
From Nitrous Express. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.