Brakes & Brake Parts. Engines & Engine Parts. K&N Filters Intake System Performance Upgrade RK-3910-1 Fits HARLEY-DAVIDSON. S RK Series was developed to get more horsepower from your Twin Cam Harley-DavidsoN. 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. Designed to increase horsepower & torque. Whilst we and our partners are working hard to ensure that we still provide our usual high levels of service, the disruption caused by the current Global situation may in some cases lead to delays in despatch or deliveries, and also may slow our response time for customer service queries. At this uniquely difficult time, we appreciate your patience and understanding. Please be aware that we cannot accept liability for any expenses incurred because of delayed or unsuccessful deliveries. Your satisfaction is our greatest priority and you can be sure we will try to solve any issues that you might have. If you change your mind, or any of our products fall below the standard you would expect and you wish to return the item, you must notify us within 30 days of the date that the products were delivered to your address. Incorrect Orders & Substitutes. In the unlikely event of receiving an incorrect order or a substituted item, please accept our apologies. The above policies do not affect your statutory rights. This item is in the category “Vehicle Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Air Intake & Fuel Delivery\Air Filters”. The seller is “sparesworlddirect” and is located in this country: GB. This item can be shipped to United Kingdom.
- Air Filter Material: Cotton Gauze
- Air Filter Shape: Oval
- Brand: K&N Filters
- Country/Region of Manufacture: United States of America
- Manufacturer Part Number: RK-3910-1
- MPN: RK-3910-1
- Oil Included: Filter Is Pre-Oiled
- Package Material: Paperboard
- Package Type: Box
- Part Number: RK-3910-1
- Product Box Height: 4.88
- Product Box Length: 11.75
- Product Box Width: 9.5
- Product Style: Motorcycle Intake System
- Product Weight: 3.32
- Product Type: Parts
- Replacement Filter: E-3980
- Size: 9 Inch
- Top Material: Black Powder Coated
- Top Style: Metal
- Warranty: 1,000,000 Miles/10 Year
- Weight: 3.3
- UPC: 024844301697