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25_410_RK3910-1
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  • Part #: RK3910-1|
  • SKU: 20053530

Available


    • Designed to increase horsepower & torque
    • Dyno-tuned velocity stack
Retail
$147.99
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K&N Intake System-Harley Davidson

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 backplate 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.
  • Designed to increase horsepower & torque
  • Dyno-tuned velocity stack
  • Washable and reusable
  • Excellent air filtration
Restrictions
  • WEB ORDER ONLY!


Air Filter Color
Red
Air Filter Height
2.188 in (56 mm)
Air Filter Shape
Oval
Inlet Diameter
2.25 in (57 mm)
Air Filter Outlet Shape
Round
Clamps Included
No
Filter Material
Cotton Gauze
Clamp Material
No Clamps Required
Estimated Horsepower Gain
10.76 HP @ 5206 RPM
Clamp Style
No Clamps Required
Air Filter Material
Cotton Gauze
Color
Red

20053530