










| SKU | KNNRK-3952 |
| EAN | 024844367013 |
| Units per SKU | 1.0 |
| Certifications | None |
| Material | Metal |
| Color/Finish | Black gloss powdercoated |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2016 | Harley-Davidson | FLHR Road King | Base |
| 2008-2013 | Harley-Davidson | FLHRC Road King Classic | Base |
| 2008 | Harley-Davidson | FLHRSE4 Screamin Eagle Road King | Base |
| 2008-2009 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 2008-2013 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 2008-2013 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2010 | Harley-Davidson | FLHTCUSE5 CVO Ultra Classic Electra Glide | Base |
| 2009-2013 | Harley-Davidson | FLHTCUTG Tri Glide Ultra Classic | Base |
| 2011-2014 | Harley-Davidson | FLHTK Electra Glide Ultra Limited | Base |
| 2015-2016 | Harley-Davidson | FLHTK Ultra Limited | Base |
| 2015-2016 | Harley-Davidson | FLHTKL Ultra Limited Low | Base |
| 2008-2016 | Harley-Davidson | FLHX Street Glide | Base |
| 2014-2016 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2010-2011 | Harley-Davidson | FLHXXX Street Glide Trike | Base |
| 2015-2016 | Harley-Davidson | FLRT Freewheeler | Base |
| 2016-2017 | Harley-Davidson | FLS Softail Slim | Base |
| 2016-2017 | Harley-Davidson | FLSS Softail Slim S | Base |
| 2016-2017 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2016-2017 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2016-2017 | Harley-Davidson | FLSTFB Fat Boy Lo | Base |
| 2016-2017 | Harley-Davidson | FLSTFBS Fat Boy S | Base |
| 2016-2017 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 2008-2010 | Harley-Davidson | FLTR Road Glide | Base |
| 2011-2013 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2015-2016 | Harley-Davidson | FLTRX Road Glide | Base |
| 2010-2013 | Harley-Davidson | FLTRX Road Glide Custom | Base |
| 2015-2016 | Harley-Davidson | FLTRXS Road Glide Special | Base |
| 2016-2017 | Harley-Davidson | FXSB Breakout | Base |
Upgrade your Harley Davidson motorcycle's performance and style with the K&N Motorcycle Air Intake System from the renowned RK Series Air Filter Assemblies. Crafted from durable metal and featuring a sleek black gloss powdercoated finish, this air cleaner delivers both strength and a striking look.
The oval tapered air cleaner measures 10 inches long by 6 inches wide and showcases a finned aluminum top design that enhances airflow while adding an aggressive aesthetic. Inside, you'll find a red cotton gauze filter that provides exceptional air filtration to help improve engine efficiency and power.
Easy to install and complete with a chrome Allen head bolt nut, this kit is designed to fit seamlessly on your Harley Davidson. The filter stands 2.375 inches tall for optimal intake volume and is California CARB EO approved ensuring compliance with emissions regulations.
With part number RK-3952 and Summit Racing reference KNN-RK-3952, this air cleaner system promises quality, performance, and reliability for motorcycle enthusiasts aiming to maximize their ride.
Experience enhanced throttle response and distinctive styling with the K&N RK Series Air Cleaner—built to perform and designed to impress.
Customer reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















