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MSRP $458.49 44.8% Off
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K&N 66-1540 Oval Air Filter Assembly

Custom Assemblies > Oval Air Filter Assembly
  • Most parts include a base, K&N filter, top plate, and stud
  • Designed to provide more air flow to the engine
  • Designed for engines with round air cleaner housings
  • High air flow with excellent filtration
  • Washable and reusable lifetime air filter
  • One year limited warranty
K&N Custom 66 Series® custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide serious air flow. Each complete assembly comes with base, element, top plate and stud.

[More Information on Custom 66 Series Air Cleaner Assemblies]

Product Specifications

Air Filter ColorRed
Air Filter Height4 in (102 mm)
Air Filter Inside Diameter8.125 in (206 mm)
Air Filter MaterialCotton Gauze
Air Filter ShapeOval
Base Outside Diameter11.5 in (292 mm)
Height4 in (102 mm)
Inlet Diameter5.125 in (130 mm)
Inner WireNo
Mounting Hardware IncludedYes
Overall Height5 in (127 mm)
Product Box Height6.13 in (156 mm)
Product Box Length15.75 in (400 mm)
Product Box Width9.88 in (251 mm)
Product StyleCustom Assemblies
Replacement FilterE-3504
Top MaterialAluminum
Top Outside Diameter8.13 in (207 mm)
Top StyleAluminum - Scalloped Design
Weight7.9 lb (3.6 kg)

K&N 66-1540 Oval Air Filter Assembly Product Reviews