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K&N Intake System-Harley Davidson (RK-3930)

K&N Intake System-Harley Davidson (RK-3930)

SKU:RK-3930

Regular price £239.99 GBP
Regular price Sale price £239.99 GBP
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The K&N RK-3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K&N High-Flow Air Filter, 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.
  • Increases horsepower
  • Washable and reusable
  • Fits inside stock cover
  • Provides increased air flow

Overview

The K&N RK-3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K&N High-Flow Air Filter, 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.

Product Details


Increases horsepower*
Washable and reusable*
Fits inside stock cover*
Provides increased air flow*
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Specifications

  • Air Box Included: No
  • Air Filter Color: Red
  • Air Filter Height: 1.625 in (41 mm)
  • Air Filter Inside Diameter: 6.188 in (157 mm)
  • Air Filter Material: Cotton Gauze
  • Air Filter Outlet Shape: Not Flanged
  • Air Filter Shape: Oval
  • Air Filter Washable: Yes
  • CARB EO Number: D-269-55/59
  • Clamp Color/Finish: Not Applicable
  • Clamp Material: No Clamps Required
  • Clamp Style: No Clamps Required
  • Clamps Included: No Clamps Included
  • Color / Finish: Red Filter
  • Aluminum Top
  • Couplers Included: None
  • Estimated Horsepower Gain: 8.43 HP @ 3700 RPM
  • Inlet Diameter: 2.469 in (63 mm)
  • Mass Air Flow Sensor Adapter Included: No
  • Mounting Hardware Included: Yes
  • Neck Flange: 2.469 in (63 mm)
  • Oil Included: Yes
  • Overall Height: 1.875 in (48 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
  • Product Weight: 3.50 lb (1.59 kg)
  • Replacement Filter: E-3972
  • Size: 9 Inch
  • Street Legal In All US States: Yes
  • Style: Oval
  • Top Material: Aluminum
  • Top Style: Metal
  • TUV Approved (Europe): No
  • Warranty: No-Hassle Lifetime Limited
  • Weight: 3.5 lb (1.6 kg)

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