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    K&N Intake System-Harley Davidson

    Part #RK-3930
    This item is not eligible for further promotional discounts, coupons or special offers.

    Disclaimer: This product is not authorized to be shipped/picked-up in CA.

    • Product Details

      Part No.RK-3930

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      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 Features:

      • Estimated Horsepower Gain: 8.43 HP @ 3700 RPM
      • Replacement Filter: E-3972
      • Increases horsepower
      • Washable and reusable
      • Fits inside stock cover
      • Provides increased air flow

    • Specifications

      • Carburetor Neck/Air Horn Diameter:2.463 in
        Height:1.875 in
        Housing Material:Aluminum
        Inside Diameter:6.188 in
        Material:Cotton Gauze
        Mounting Hardware Included:Yes
        Outside Diameter:8.813 in
        Shape:Oval in
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    Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.