K&N RK-3909-1 Filter Kit for Harley Davidson
Product details
| Management number | 237585646 | Release Date | 2026/07/10 | List Price | $126.00 | Model Number | 237585646 | ||
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| Category | |||||||||
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.
- Estimated horsepower gain of 6.05 HP at 5206 RPM
- Dyno-tuned velocity stack
- Washable and reusable
- Excellent air filtration
| UPC | 024844294135 953040024010 |
|---|---|
| ASIN | B006OL1576 |
| Shape | Round |
| Fit Type | Vehicle Specific Fit |
| Brand Name | K&N |
| Unit Count | 1.0 Count |
| Item Weight | 2.88 ounces |
| Manufacturer | K&N |
| Model Number | RK-3909-1 |
| Product Grade | Performance Part |
| Item Type Name | H/D TWIN CAM, CUSTOM ASSEMBLY 99-11 |
| Included Components | H/D TWIN CAM, CUSTOM ASSEMBLY 99-11 |
| Manufacturer Part Number | RK-3909-1 |
| Item Dimensions L x W x H | 12"L x 10"W x 5"H |
| OEM Equivalent Part Number | RK-3909-1 |
| Manufacturer Warranty Description | LIMITED WARRANTY |
| Global Trade Identification Number | 00024844294135 |
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