• Description

  K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5 mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

  • Designed to increase horsepower and acceleration.
  • Hundreds of sizes and shapes for most applications.
  • High airflow with excellent filtration.
  • Clamp-on washable and reusable air filter.
  • Malleable flanges.
  • One year limited warranty.

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• # Part Numbers for the K&N Universal Clamp-On Air Filter - Oval Straight

  Product Variant	Manufacturer Part #
  Rubber Top / 1-1/2" Flange / 2-3/4" Height / 30 Degrees	R-0642
  Rubber Top / 2-1/2" Flange / 7" Height / 10 Degrees	RU-1830
  Rubber Top / 2-1/4" Flange / 2" Height	R-1390
  Rubber Top / 2-7/16" Flange / 5" Height / 10 Degrees	RU-1220
  Rubber Top / 2-7/16" Flange / 5" Height / 20 Degrees	SN-2540
  Rubber Top / 2-7/16" Flange / 7" Height / 10 Degrees	RU-1240
  Rubber Top / 2-7/16" Flange / 7" Height / 20 Degrees	RU-1390

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