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.
Additional Attributes:
GTIN: 00024844301697
Air Filter Color: Red
Air Filter Height: 2.188 in (56 mm)
Air Filter Material: Cotton Gauze
Air Filter Washable: Yes
CARB EO Number: D-269-35/55
Color / Finish: Red Filter, Metal Top
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
Prop 65 (C, R or CR): CR
Prop 65 – Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
Prop 65 Warning Label: https://www.knfilters.com/images/l/prop65.jpg
Prop 65 Yes/No: Yes
Replacement Filter: E-3980
Street Legal In All US States: See Vehicle Applications
Top Material: Black Powder Coated
Top Style: Metal
TUV Approved (Europe): No
Warranty: No-Hassle Lifetime Limited
Weight: 3.3 lb (1.5 kg)
Extended Information:
Emissions : 1
Life Cycle Status: Available To Order
Packaging:
Quantity of Each: 1
Package UOM: EA
Dimension: 11.7500 x 9.5000 x 4.8750 inches
Weight: 3.3200 PG
RK-3910-1_dyno
There are no reviews yet.