{"product_id":"k-n-air-cleaner-assembly-rk-series-rk-3909-1","title":"K\u0026N Air Cleaner Assembly RK Series (MPN: RK-3909-1)","description":"\u003ch2\u003eEnhance horsepower and airflow for Harley Davidson motorcycles with advanced filtration.\u003c\/h2\u003e\r\n\u003cp\u003eThe K\u0026amp;N Air Cleaner Assembly RK Series is engineered to optimize horsepower for Twin Cam Harley-Davidson engines. This assembly features a high-flow air filter that significantly increases airflow while maintaining superior filtration capabilities. The innovative design includes a powder coated billet aluminum backplate that eliminates the need for external breathers, ensuring a clean and streamlined installation.\u003c\/p\u003e\r\n\u003cp\u003eIncorporating a built-in, dyno-tuned velocity stack, this air cleaner assembly enhances engine performance without compromising on aesthetics. It retains a factory appearance by utilizing the stock air cleaner cover, making it a seamless addition to your motorcycle. The oval shape and compact dimensions ensure compatibility with various Harley Davidson models, providing a reliable upgrade for enthusiasts seeking improved engine efficiency.\u003c\/p\u003e\r\n\u003cp\u003eConstructed from durable aluminum and finished in a sleek black powder coat, the RK Series assembly is designed for longevity and performance. The red cotton gauze filter not only adds a visual appeal but also ensures optimal airflow and filtration. This assembly is a practical choice for riders looking to enhance their motorcycle's performance while maintaining a factory look.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eDesigned To Get More Horsepower From Your Twin Cam Harley-Davidson Engine\u003c\/li\u003e\r\n    \u003cli\u003eIncludes An Innovative Powder Coated Billet Aluminum Backplate That Eliminates External Breathers\u003c\/li\u003e\r\n    \u003cli\u003eFeatures A Built-In, Dyno-Tuned Velocity Stack\u003c\/li\u003e\r\n    \u003cli\u003eSignificant Airflow Increase To The Engine Without Sacrificing Filtration\u003c\/li\u003e\r\n    \u003cli\u003eRetains A Factory Appearance By Utilizing The Stock Air Cleaner Cover\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: K \u0026amp; N Filters\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: RK-3909-1\u003c\/li\u003e\r\n    \u003cli\u003eApplication: Harley Davidson Motorcycles\u003c\/li\u003e\r\n    \u003cli\u003eShape: Oval\u003c\/li\u003e\r\n    \u003cli\u003eDiameter (IN): 7 Inch\u003c\/li\u003e\r\n    \u003cli\u003eHeight (IN): 1.688 Inch\u003c\/li\u003e\r\n    \u003cli\u003eTop Design: No Logo\u003c\/li\u003e\r\n    \u003cli\u003eFlange Diameter (IN): 2-1\/4 Inch\u003c\/li\u003e\r\n    \u003cli\u003eFinish: Powder Coated\u003c\/li\u003e\r\n    \u003cli\u003eColor: Black\u003c\/li\u003e\r\n    \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\r\n    \u003cli\u003eAir Filter Diameter (IN): 8.813 Inch\u003c\/li\u003e\r\n    \u003cli\u003eAir Filter Height (IN): 1-5\/8 Inch\u003c\/li\u003e\r\n    \u003cli\u003eAir Filter Color: Red\u003c\/li\u003e\r\n    \u003cli\u003eAir Filter Material: Cotton Gauze Filter\u003c\/li\u003e\r\n    \u003cli\u003eWing Nut Type: No Wing Nut\u003c\/li\u003e\r\n    \u003cli\u003eWing Nut Color: No Wing Nut\u003c\/li\u003e\r\n    \u003cli\u003eEstimated Install Time (Hours): 0.5\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eCompatibility \/ Fit\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e1999-2007 Harley Davidson FLHR Road King\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FLHRC Road King Classic\u003c\/li\u003e\r\n    \u003cli\u003e2002-2006 Harley Davidson FLHRCI Road King Classic\u003c\/li\u003e\r\n    \u003cli\u003e2003-2006 Harley Davidson FLHRI Road King\u003c\/li\u003e\r\n    \u003cli\u003e2004-2007 Harley Davidson FLHRS Road King Custom\u003c\/li\u003e\r\n    \u003cli\u003e2004-2006 Harley Davidson FLHRSI Road King Custom\u003c\/li\u003e\r\n    \u003cli\u003e1999-2007 Harley Davidson FLHT Electra Glide Standard\u003c\/li\u003e\r\n    \u003cli\u003e1999-2005 Harley Davidson FLHTC Electra Glide Classic\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FLHTC Electra Glide Classic\u003c\/li\u003e\r\n    \u003cli\u003e2002-2006 Harley Davidson FLHTCI Electra Glide Classic\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FLHTCU Electra Glide Ultra Classic\u003c\/li\u003e\r\n    \u003cli\u003e2002-2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic\u003c\/li\u003e\r\n    \u003cli\u003e2003-2006 Harley Davidson FLHTI Electra Glide Standard\u003c\/li\u003e\r\n    \u003cli\u003e2006-2007 Harley Davidson FLHX Street Glide\u003c\/li\u003e\r\n    \u003cli\u003e2006-2006 Harley Davidson FLHXI Street Glide\u003c\/li\u003e\r\n    \u003cli\u003e2006-2006 Harley Davidson FLST Heritage Softail\u003c\/li\u003e\r\n    \u003cli\u003e2000-2012 Harley Davidson FLSTC Heritage Softail Classic\u003c\/li\u003e\r\n    \u003cli\u003e2002-2006 Harley Davidson FLSTCI Heritage Softail Classic\u003c\/li\u003e\r\n    \u003cli\u003e2000-2012 Harley Davidson FLSTF Fat Boy\u003c\/li\u003e\r\n    \u003cli\u003e2010-2012 Harley Davidson FLSTFB Fat Boy Lo\u003c\/li\u003e\r\n    \u003cli\u003e2001-2006 Harley Davidson FLSTFI Fat Boy\u003c\/li\u003e\r\n    \u003cli\u003e2006-2006 Harley Davidson FLSTI Heritage Softail\u003c\/li\u003e\r\n    \u003cli\u003e2005-2012 Harley Davidson FLSTN Softail Deluxe\u003c\/li\u003e\r\n    \u003cli\u003e2005-2006 Harley Davidson FLSTNI Softail Deluxe\u003c\/li\u003e\r\n    \u003cli\u003e2000-2003 Harley Davidson FLSTS Heritage Springer\u003c\/li\u003e\r\n    \u003cli\u003e2005-2007 Harley Davidson FLSTSC Softail Springer Classic\u003c\/li\u003e\r\n    \u003cli\u003e2005-2006 Harley Davidson FLSTSCI Softail Springer Classic\u003c\/li\u003e\r\n    \u003cli\u003e2001-2003 Harley Davidson FLSTSI Heritage Springer\u003c\/li\u003e\r\n    \u003cli\u003e1999-2002 Harley Davidson FLTR Road Glide\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FLTR Road Glide\u003c\/li\u003e\r\n    \u003cli\u003e2002-2006 Harley Davidson FLTRI Road Glide\u003c\/li\u003e\r\n    \u003cli\u003e2010-2011 Harley Davidson FLTRX Road Glide Custom\u003c\/li\u003e\r\n    \u003cli\u003e2008-2009 Harley Davidson FXCW Rocker\u003c\/li\u003e\r\n    \u003cli\u003e2008-2011 Harley Davidson FXCWC Rocker C\u003c\/li\u003e\r\n    \u003cli\u003e1999-2005 Harley Davidson FXD Dyna Super Glide\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FXD Dyna Super Glide\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FXDB Street Bob\u003c\/li\u003e\r\n    \u003cli\u003e2006-2006 Harley Davidson FXDBI Street Bob\u003c\/li\u003e\r\n    \u003cli\u003e2005-2005 Harley Davidson FXDC Super Glide Custom\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FXDC Super Glide Custom\u003c\/li\u003e\r\n    \u003cli\u003e2005-2006 Harley Davidson FXDCI Super Glide Custom\u003c\/li\u003e\r\n    \u003cli\u003e2004-2006 Harley Davidson FXDI Dyna Super Glide\u003c\/li\u003e\r\n    \u003cli\u003e2006-2006 Harley Davidson FXDI35 Dyna 35th Anniversary Super Glide\u003c\/li\u003e\r\n    \u003cli\u003e1999-2005 Harley Davidson FXDL Dyna Low Rider\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FXDL Dyna Low Rider\u003c\/li\u003e\r\n    \u003cli\u003e2004-2006 Harley Davidson FXDLI Dyna Low Rider\u003c\/li\u003e\r\n    \u003cli\u003e1999-2000 Harley Davidson FXDS-Conv Dyna Convertible\u003c\/li\u003e\r\n    \u003cli\u003e1999-2005 Harley Davidson FXDWG Dyna Wide Glide\u003c\/li\u003e\r\n    \u003cli\u003e2007-2007 Harley Davidson FXDWG Dyna Wide Glide\u003c\/li\u003e\r\n    \u003cli\u003e2001-2001 Harley Davidson FXDWG2\u003c\/li\u003e\r\n    \u003cli\u003e2002-2002 Harley Davidson FXDWG3\u003c\/li\u003e\r\n    \u003cli\u003e2004-2006 Harley Davidson FXDWGI Dyna Wide Glide\u003c\/li\u003e\r\n    \u003cli\u003e1999-2004 Harley Davidson FXDX Dyna Super Glide Sport\u003c\/li\u003e\r\n    \u003cli\u003e2004-2005 Harley Davidson FXDXI Dyna Super Glide Sport\u003c\/li\u003e\r\n    \u003cli\u003e2001-2003 Harley Davidson FXDXT Dyna Super Glide T-Sport\u003c\/li\u003e\r\n    \u003cli\u003e2000-2007 Harley Davidson FXST Softail Standard\u003c\/li\u003e\r\n    \u003cli\u003e2000-2009 Harley Davidson FXSTB Night Train\u003c\/li\u003e\r\n    \u003cli\u003e2001-2006 Harley Davidson FXSTBI Night Train\u003c\/li\u003e\r\n    \u003cli\u003e2007-2010 Harley Davidson FXSTC Softail Custom\u003c\/li\u003e\r\n    \u003cli\u003e2000-2007 Harley Davidson FXSTD Softail Deuce\u003c\/li\u003e\r\n    \u003cli\u003e2001-2006 Harley Davidson FXSTDI Softail Deuce\u003c\/li\u003e\r\n    \u003cli\u003e2001-2006 Harley Davidson FXSTI Softail Standard\u003c\/li\u003e\r\n    \u003cli\u003e2000-2006 Harley Davidson FXSTS Springer Softail\u003c\/li\u003e\r\n    \u003cli\u003e2001-2006 Harley Davidson FXSTSI Springer Softail\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cul\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/KNF\/InstallationInstructions\/RK-3909-1.pdf\" target=\"_blank\"\u003eRK-3909-1.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/KNF\/DynoCharts\/RK-3909-1-88ci_dyno.pdf\" target=\"_blank\"\u003eRK-3909-1-88ci_dyno.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/KNF\/DynoCharts\/RK-3909-1_dyno.pdf\" target=\"_blank\"\u003eRK-3909-1_dyno.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47924668104943,"sku":"K33RK39091","price":498.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/ImageServerAPI_075a5ee7-632a-4f30-bc82-489636873513.jpg?v=1773025902","url":"https:\/\/www.sprinterpartsdepot.com\/products\/k-n-air-cleaner-assembly-rk-series-rk-3909-1","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}