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- The K&N replacement air filter for RK Series air cleaner assemblies, designed for Harley-Davidson motorcycles, are designed to increase horsepower and acceleration while providing excellent filtration.
K&N 599-E-3972 Features:
Part TypeAir Filter
BrandK&N
Package Height3.62
Package Width8.5
Package Length8.62
Weight1.49 PG
Weight1.5 lb (0.68 kg)
Part CategoryPerformance Parts
Package Contents1 Air Filter
Filter Re-Oiling Amount0.28 oz (8 ml)
Inside Diameter6.188 in (157 mm)
Product StyleUnique Air Filters
FlangesNone
Air Filter ShapeRound
Inner WireNo
Part FitmentSemi Universal
Outside Diameter8.813 in (223.9 mm)
Vendor Part NumberE-3972
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
