NGK Spark Plug DCPR7E – Standard 🔥⚙️

This is clean ignition done the right way. The NGK DCPR7E is built for consistent spark, controlled heat, and long-term reliability—no misfires, no drama, just smooth combustion every time you thumb the starter. Street-tested, precision-built, and trusted across Harley-Davidson platforms that rack up real miles, not trailer time.

The Breakdown
🔥 Reliable Spark Performance – Resistor-style plug delivers stable ignition and reduced electrical noise
🧱 Pure Alumina Ceramic Insulator – High strength with excellent heat transfer to prevent overheating
🛡️ Trivalent Metal Plating – Superior resistance to corrosion and thread seizing
🔒 Triple-Seal Construction – Prevents compression leakage under real riding conditions
⚡ Copper Core Center Electrode – Pulls heat away fast for consistent performance
🧠 Nickel Alloy Electrode Tip – Durable, dependable, and made for long service life
🔩 Solid Terminal Design – Secure connection with modern Harley ignition systems
🏍️ Street-Tuned Specs – Heat range 7 with a 0.8 mm (0.031") preset gap

This is a standard NGK resistor spark plug with a 19.1 mm thread reach, 16 mm hex size, projected center electrode, single ground electrode, and 5k ohm resistance—engineered to fire clean and stay cool in high-compression V-twins and performance street builds.

Fitment
2018–2020 Harley-Davidson XL1200NS Iron 1200
2018–2019 Harley-Davidson XL1200XS Forty-Eight Special
2016–2020 Harley-Davidson XL1200CX Roadster
2016 Harley-Davidson FLSTFBS Fat Boy S
2016 Harley-Davidson FLSS Softail Slim S
2015–2016 Harley-Davidson FLTRXS Road Glide Special
2015–2016 Harley-Davidson FLHTCUL Electra Glide Ultra Classic Low
2015–2016 Harley-Davidson FLHTK Ultra Limited
2015–2016 Harley-Davidson FLHTKL Ultra Limited Low
2015–2016 Harley-Davidson FLRT Freewheeler
2015 Harley-Davidson FLTRX Road Glide
2014–2017 Harley-Davidson XL1200T SuperLow 1200T
2014–2016 Harley-Davidson FLHXS Street Glide Special
2013–2016 Harley-Davidson FXSB Breakout
2012–2016 Harley-Davidson XL1200V Seventy-Two
2012–2016 Harley-Davidson FLD Switchback
2012–2016 Harley-Davidson FLS Softail Slim
2011–2019 Harley-Davidson XL883L SuperLow
2011–2013, 2016 Harley-Davidson FLTRU Road Glide Ultra
2011–2013 Harley-Davidson FXS Blackline
2011–2013 Harley-Davidson FLTRX Road Glide Custom
2011–2012 Harley-Davidson XR1200X
2010–2020 Harley-Davidson XL1200X Forty-Eight
2010–2016 Harley-Davidson FLSTFB Fat Boy Lo
2010–2014 Harley-Davidson FLHTK Electra Glide Ultra Limited
2010–2011 Harley-Davidson FLHXXX Street Glide Trike
2009–2020 Harley-Davidson XL883N Iron 883
2009–2016 Harley-Davidson FLHTCUTG Tri Glide Ultra
2008–2016 Harley-Davidson FXDF Fat Bob
2008–2011 Harley-Davidson FXCWC Rocker C
2008–2011 Harley-Davidson FLSTSB Cross Bones
2007–2016 Harley-Davidson FLHTCU Electra Glide Ultra Classic
2007–2012 Harley-Davidson XL1200N Nightster
2006–2016 Harley-Davidson FLHX Street Glide
2006–2016 Harley-Davidson FXDB Street Bob
2005–2016 Harley-Davidson FLSTN Softail Deluxe
2004–2009 Harley-Davidson XL1200R Sportster Roadster
1999–2016 Harley-Davidson FLHR Road King
1996–2019 Harley-Davidson XL1200C Sportster 1200 Custom
1988–1998 Harley-Davidson XLH1200
1987–2003 Harley-Davidson Sportster 883 models and additional Touring, Dyna, and Softail platforms listed by factory application

If your Harley calls for a DCPR7E, this is the plug that keeps it starting hard, pulling clean, and running exactly how it should.