K&N

Oval Red 9in Intake System for Harley-Davidson

Part Number RK-3910-1 (101819378)

Package contents: 1 Each per Bag

Select vehicle for guaranteed fit

$317.30

Out of stock

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.

Fitment

This part fits the following vehicles.

Harley-Davidson

2002-2006 FLHRCI Road King Classic
2007-2013 FLHRC Road King Classic
2003-2006 FLHRI Road King
1999-2017 FLHR Road King
2004-2006 FLHRSI Road King Custom
2004-2007 FLHRS Road King Custom
1999-2005, 2007-2013 FLHTC Electra Glide Classic
2002-2006 FLHTCI Electra Glide Classic
2007-2017 FLHTCU Electra Glide Ultra Classic
2002-2006 FLHTCUI Electra Glide Ultra Classic
2009-2013 FLHTCUTG Tri Glide Ultra Classic
1999-2009 FLHT Electra Glide Standard
2003-2006 FLHTI Electra Glide Standard
2015-2017 FLHTKL Ultra Limited Low
2014-2017 FLHTKSE CVO Limited
2006 FLHXI Street Glide
2010, 2015-2017 FLHXSE CVO Street Glide
2014-2017 FLHXS Street Glide Special
2006-2017 FLHX Street Glide
2010-2011 FLHXXX Street Glide Trike
1999-2017 FLSTC Heritage Softail Classic
2001-2006 FLSTCI Heritage Softail Classic
2010-2017 FLSTFB Fat Boy Lo
1999-2017 FLSTF Fat Boy
2001-2006 FLSTFI Fat Boy
2006 FLST Heritage Softail
2006 FLSTI Heritage Softail
2005-2006 FLSTNI Softail Deluxe
2005-2012 FLSTN Softail Deluxe
2008-2011 FLSTSB Cross Bones
2005-2006 FLSTSCI Softail Springer Classic
2005-2007 FLSTSC Softail Springer Classic
2010 FLSTSE CVO Softail Convertible
2000-2003 FLSTS Heritage Springer
2001-2003 FLSTSI Heritage Springer
2002-2006 FLTRI Road Glide
1999-2010, 2016 FLTR Road Glide
2011-2013, 2016-2017 FLTRU Road Glide Ultra
2011, 2015-2016 FLTRUSE CVO Road Glide Ultra
2010-2013 FLTRX Road Glide Custom
2012 FLTRXSE CVO Road Glide Custom
2015-2017 FLTRXS Road Glide Special
2008-2011 FXCWC Rocker C
2008-2009 FXCW Rocker
2006 FXDBI Street Bob
2007 FXDB Street Bob
2005-2006 FXDCI Super Glide Custom
2005, 2007 FXDC Super Glide Custom
1999-2010 FXD Dyna Super Glide
2006 FXDI35 Dyna 35th Anniversary Super Glide
2004-2006 FXDI Dyna Super Glide
1999-2005, 2007-2009, 2014-2017 FXDL Dyna Low Rider
2004-2006 FXDLI Dyna Low Rider
1999-2000 FXDS-Conv Dyna Convertible
1999-2008, 2010-2017 FXDWG Dyna Wide Glide
2004-2006 FXDWGI Dyna Wide Glide
1999-2005 FXDX Dyna Super Glide Sport
2004-2005 FXDXI Dyna Super Glide Sport
2001-2003 FXDXT Dyna Super Glide T-Sport
2001-2006 FXSTBI Night Train
1999-2009 FXSTB Night Train
1999, 2007-2010 FXSTC Softail Custom
2001-2006 FXSTDI Softail Deuce
2003-2004 FXSTDSE Screamin Eagle Softail Deuce
2000-2007 FXSTD Softail Deuce
2001-2006 FXSTI Softail Standard
2001-2006 FXSTSI Springer Softail
2000-2009 FXST Softail Standard
2009 FXSTSSE3 CVO Softail Springer
2007 FXSTSSE Screamin Eagle Softail Springer
1999-2006 FXSTS Springer Softail

Features & benefits

Designed to increase horsepower & torque
Dyno-tuned velocity stack
Washable and reusable
Excellent air filtration
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.
Large Capacity 2-1/4"
Direct replacement - this engine air filter assembly is designed to match the performance of an original equipment filter box on specified vehicles
Restores performance - engineered to provide a tight seal that keeps out moisture and debris to help protect the air filter when a factory assembly is cracked, warped or missing
Durable construction - designed and manufactured to strict specifications for reliable performance
Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Associated products: E-3980 SPECIAL ORDER Oval Fltr, 99-5000 Filter Care Service Kit Aerosol

Specifications

Air Filter Color	Red
Air Filter Height	2.188 in (56 mm)
Air Filter Material	Cotton Gauze
Air Filter Washable	Yes
Barcode	00024844301697
CARB EO Number	D-269-35
Color	Red
Color / Finish	Red Filter, Metal Top
Country Of Origin	USA
Dimensions	11.75" x 9.5" x 4.88"
Epa	Compliant
Estimated Horsepower Gain	10.76 HP @ 5206 RPM
Inlet Diameter	2.25 in (57 mm)
Mounting Hardware Included	Yes
Oil Included	Yes
Overall Height	2.188 in (56 mm)
Package Material	Paperboard
Package Type	Box
Product Style	Motorcycle Intake System
Replacement Filter	E-3980
Retail Packaging	Yes
Street Legal	Yes
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.
Top Material	Black Powder Coated
Top Style	Metal
TUV Approved (Europe)	No
Weight	3.32 lbs

Warranty

No-Hassle Lifetime Limited

Videos and guides

Installation Instructions PDF Installation Instructions PDF

About K&N

For over 50 years, K&N® has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity in thousands of vehicle applications for consumers worldwide.

K&N Engineering, of Riverside, California, is the inventor and leading innovator of reusable cotton gauze filter technology for automotive applications. From humble beginnings as a family run business over 35 years ago, K&N Engineering, now a truly global company with offices in the U.K. and the Netherlands, continues to exist as a family owned business with an enthusiast mindset and a direct connection with motor sports that carries over throughout all levels of management and manufacturing. Today, K&N exists as both the sales and brand leader for performance filters, and maintains a stocking catalogue of over 3,500 part numbers, including an extensive line of both factory replacement drop-in filters, FIPK (Fuel Injection Performance Kit) applications, and its line of innovative Performance Gold oil filters. The cornerstone of K&N's philosophy has been, and continues to be, that automotive performance does not have to have a shelf life, or to stand at odds with the quality of life of the purchasing consumer or others. Put simply, the benefits of increased performance associated with K&N filters contributes meaningfully towards money savings, fuel savings, and a dramatic reduction in environmental waste for the life of the vehicle in which the filter is installed. K&N appreciates that a little education goes a long way in helping consumers take an active role in thinking for the first time about air filters, and then taking an active stance in choosing the filter that is right for them and best reflects their values and needs. With this choice made, K&N consumers become K&N advocates for life, giving "lifetime" another layer of significance.

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.