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Product Information

Product Details
Part No. E-3988
Warranty Details (60 DAY REPLACEMENT IF DEFECTIVE)
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.

Product Features:
  • 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
Specifications
Flanges:
None

Height:
2.375 in

Inner Wire:
No

Outside Diameter:
9.313 in

Package Contents:
1 Air Filter

Package Type:
Box

Pre-Screened:
No

Product Style:
Unique Air Filters
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