K&N E-3988 Custom Air Filter REPLACEMENT ELEMENT; RK-3952, RK-3953

Description K&N E-3988 Custom Air Filter REPLACEMENT ELEMENT; RK-3952, RK-3953

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. This air filter is washable and reusable, intended as a replacement for specific K&N RK Series air cleaner assemblies for Harley-Davidson motorcycles.

The filter is covered by the 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

Specifications:

• 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