Custom Air Filter

$64.99
In stock
SKU
E-3988
Typically ships out in 1-3 business days
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 ShapeOval Tapered
Height2.375 in (60 mm)
Package Contents1 Air Filter
Package Quantity1
WashableYes
Air Filter MaterialCotton Gauze
Product StyleUnique Air Filters
FlangesNone
Base Outside Length10 in (254 mm)
Base Outside Width6 in (152 mm)
Top Outside Length8 in (203 mm)
Top Outside Width5 in (127 mm)
Outside Diameter9.313 in (237 mm)
Weight1.1 lb (0.5 kg)
Product Box Height3 in (76 mm)
Product Box Length10.63 in (270 mm)
Product Box Width8 in (203 mm)
Filter LineHigh-Flow
Inner WireNo
Overall Filter EfficiencyUp To 99% Efficiency
No cross references found for this part
UP TO99%

Efficiency

LIFETIME

Usage Mileage

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