K&N · RK-3910-1
Part #: RK-3910-1
UPC: 024844301697
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Description: Intake System-Harley Davidson; The latest addition to K&N's RK Series was developed to get more horsepower from your Twin Cam Harley-Davidson engine. Provides a significant airflow increase to the engine without sacrificing filtration.
Description:
This part number superseded RK-3910.
Description
K&N's RK Series was developed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K&N High-Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover. The RK-3910-1 comes with a larger air filter and longer spacers than the RK-3909-1.
Features & benefits
- Increased Horsepower: Guaranteed to increase horsepower, helping unlock greater performance from your engine.
- Enhanced Driving Experience: Improves throttle response and improved engine sound.
- Premium Construction: Built with premium intake materials and a durable, high-quality finish designed for lasting performance.
- Washable & Reusable Air Filter: Includes a High-Flow Air Filter that can go up to 100,000 miles before cleaning under normal highway driving conditions.
Information
Associated products: E-3980 SPECIAL ORDER Oval Fltr, 99-5000 Filter Care Service Kit Aerosol
Application summary
| Year | Make / model |
|---|---|
| 1999-2007 | Harley-Davidson FLHR Road King |
| 2007 | Harley-Davidson FLHRC Road King Classic |
| 2002-2006 | Harley-Davidson FLHRCI Road King Classic |
| 2003-2006 | Harley-Davidson FLHRI Road King |
| 2004-2007 | Harley-Davidson FLHRS Road King Custom |
| 2004-2006 | Harley-Davidson FLHRSI Road King Custom |
| 1999-2007 | Harley-Davidson FLHT Electra Glide Standard |
| 1999-2005 | Harley-Davidson FLHTC Electra Glide Classic |
| 2007 | Harley-Davidson FLHTC Electra Glide Classic |
| 2002-2006 | Harley-Davidson FLHTCI Electra Glide Classic |
| 2007 | Harley-Davidson FLHTCU Electra Glide Ultra Classic |
| 2002-2006 | Harley-Davidson FLHTCUI Electra Glide Ultra Classic |
| 2003-2006 | Harley-Davidson FLHTI Electra Glide Standard |
| 2006-2007 | Harley-Davidson FLHX Street Glide |
| 2006 | Harley-Davidson FLHXI Street Glide |
| 2006 | Harley-Davidson FLST Heritage Softail |
| 2000-2012 | Harley-Davidson FLSTC Heritage Softail Classic |
| 2002-2006 | Harley-Davidson FLSTCI Heritage Softail Classic |
| 2000-2012 | Harley-Davidson FLSTF Fat Boy |
| 2010-2012 | Harley-Davidson FLSTFB Fat Boy Lo |
| 2001-2006 | Harley-Davidson FLSTFI Fat Boy |
| 2006 | Harley-Davidson FLSTI Heritage Softail |
| 2005-2012 | Harley-Davidson FLSTN Softail Deluxe |
| 2005-2006 | Harley-Davidson FLSTNI Softail Deluxe |
| 2000-2003 | Harley-Davidson FLSTS Heritage Springer |
| 2005-2007 | Harley-Davidson FLSTSC Softail Springer Classic |
| 2005-2006 | Harley-Davidson FLSTSCI Softail Springer Classic |
| 2001-2003 | Harley-Davidson FLSTSI Heritage Springer |
| 1999-2002 | Harley-Davidson FLTR Road Glide |
| 2007 | Harley-Davidson FLTR Road Glide |
| 2002-2006 | Harley-Davidson FLTRI Road Glide |
| 2008-2009 | Harley-Davidson FXCW Rocker |
| 2008-2011 | Harley-Davidson FXCWC Rocker C |
| 1999-2007 | Harley-Davidson FXD Dyna Super Glide |
| 2007 | Harley-Davidson FXDB Street Bob |
| 2006 | Harley-Davidson FXDBI Street Bob |
| 2005 | Harley-Davidson FXDC Super Glide Custom |
| 2007 | Harley-Davidson FXDC Super Glide Custom |
| 2005-2006 | Harley-Davidson FXDCI Super Glide Custom |
| 2004-2006 | Harley-Davidson FXDI Dyna Super Glide |
Specifications
- GTIN
- 00024844301697
- Weight
- 3.32 lb
- Height
- 4.88 in
- Length
- 11.75 in
- Width
- 9.5 in
- EO
- Legal US
- Life cycle
- Available to Order
- Alt. part number
- RK-3910-1
- AAM brand code
- KAN
- Warehouse brand code
- KAN
- AAIA brand code
- BBWQ
Attributes
- AAM Standard Pack
- 1
- Air Box Included
- No
- Air Filter Color
- Red
- Air Filter Height
- 2.188 in (56 mm)
- Air Filter Inside Diameter
- 0 in (0 mm)
- Air Filter Material
- Cotton Gauze
- Air Filter Outlet Shape
- Round
- Air Filter Shape
- Oval
- Air Filter Washable
- Yes
- Alternate Part Number
- RK-3910-1
- CARB EO Number
- D-269-35/55
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Clamp Color/Finish
- Not Applicable
- Clamp Material
- No Clamps Required
- Clamp Style
- No Clamps Required
- Clamps Included
- No Clamps Included
- Color / Finish
- Red Filter, Metal Top
- Couplers Included
- 0
- Estimated Horsepower Gain
- 10.76 HP @ 5206 RPM
- Horse Power Increase
- 11 HP
- Inlet Diameter
- 2.25 in (57 mm)
- Mass Air Flow Sensor Adapter Included
- Mass Air Flow Sensor Adapter Included When Required
- Mounting Hardware Included
- Yes
- Neck Flange
- 2.25 in (57 mm)
- Oil Included
- Yes
- Overall Height
- 2.188 in (56 mm)
- Package Material
- Paperboard
- Package Type
- Box
- Product Box Height
- 4.88 in (124 mm)
- Product Box Length
- 11.75 in (298 mm)
- Product Box Width
- 9.5 in (241 mm)
- Product Style
- Motorcycle Intake System
- RPM
- 5206
- Replacement Filter
- E-3980
- Retail Packaging
- Yes
- Size
- 9 Inch
- Street Legal In All US States
- Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your parts at knfilters.com.
- Style
- Oval
- TUV Approved (Europe)
- No
- Title
- K&N RK-3910-1 Intake System-Harley Davidson
- Top Material
- Black Powder Coated
- Top Style
- Metal
- Warranty
- No-Hassle Lifetime Limited
- Weight
- 3.3 lb (1.5 kg)
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1999-2007 Harley-Davidson FLHR Road King; 2007 Harley-Davidson FLHRC Road King Classic; 2002-2006 Harley-Davidson FLHRCI Road King Classic; 2003-2006 Harley-Davidson FLHRI Road King; 2004-2007 Harley-Davidson FLHRS Road King Custom; 2004-2006 Harley-Davidson FLHRSI Road King Custom; 1999-2007 Harley-Davidson FLHT Electra Glide Standard; 1999-2005 Harley-Davidson FLHTC Electra Glide Classic; 2007 Harley-Davidson FLHTC Electra Glide Classic; 2002-2006 Harley-Davidson FLHTCI Electra Glide Classic; 2007 Harley-Davidson FLHTCU Electra Glide Ultra Classic; 2002-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic; 2003-2006 Harley-Davidson FLHTI Electra Glide Standard; 2006-2007 Harley-Davidson FLHX Street Glide; 2006 Harley-Davidson FLHXI Street Glide; 2006 Harley-Davidson FLST Heritage Softail; 2000-2012 Harley-Davidson FLSTC Heritage Softail Classic; 2002-2006 Harley-Davidson FLSTCI Heritage Softail Classic; 2000-2012 Harley-Davidson FLSTF Fat Boy; 2010-2012 Harley-Davidson FLSTFB Fat Boy Lo; 2001-2006 Harley-Davidson FLSTFI Fat Boy; 2006 Harley-Davidson FLSTI Heritage Softail; 2005-2012 Harley-Davidson FLSTN Softail Deluxe; 2005-2006 Harley-Davidson FLSTNI Softail Deluxe; 2000-2003 Harley-Davidson FLSTS Heritage Springer; 2005-2007 Harley-Davidson FLSTSC Softail Springer Classic; 2005-2006 Harley-Davidson FLSTSCI Softail Springer Classic; 2001-2003 Harley-Davidson FLSTSI Heritage Springer; 1999-2002 Harley-Davidson FLTR Road Glide; 2007 Harley-Davidson FLTR Road Glide; 2002-2006 Harley-Davidson FLTRI Road Glide; 2008-2009 Harley-Davidson FXCW Rocker; 2008-2011 Harley-Davidson FXCWC Rocker C; 1999-2007 Harley-Davidson FXD Dyna Super Glide; 2007 Harley-Davidson FXDB Street Bob; 2006 Harley-Davidson FXDBI Street Bob; 2005 Harley-Davidson FXDC Super Glide Custom; 2007 Harley-Davidson FXDC Super Glide Custom; 2005-2006 Harley-Davidson FXDCI Super Glide Custom; 2004-2006 Harley-Davidson FXDI Dyna Super Glide; ...
Installation
K&N RK-3910-1
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