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Custom Air Filter
SKU
E-3988
The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson® motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.
- Replacement air filter for specific RK Series air cleaner assemblies
- Designed to boost horsepower and rate of acceleration
- Washable and reusable
- High air flow filter media provides exceptional filtration
- Million Mile Limited Warranty®
| Air Filter Shape | Oval Tapered |
| Height | 2.375 in (60 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Washable | Yes |
| Air Filter Material | Cotton Gauze |
| Product Style | Unique Air Filters |
| Flanges | None |
| Base Outside Length | 10 in (254 mm) |
| Base Outside Width | 6 in (152 mm) |
| Top Outside Length | 8 in (203 mm) |
| Top Outside Width | 5 in (127 mm) |
| Outside Diameter | 9.313 in (237 mm) |
| Weight | 1.1 lb (0.5 kg) |
| Product Box Height | 3 in (76 mm) |
| Product Box Length | 10.63 in (270 mm) |
| Product Box Width | 8 in (203 mm) |
| Filter Line | High-Flow |
| Inner Wire | No |
| Overall Filter Efficiency | Up To 99% Efficiency |
No cross references found for this part
UP TO99%
Efficiency
LIFETIME
Usage Mileage
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