Universal Clamp-On Air Filter - Oval Straight

• Product Details

  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.

  Detailed Specifications:

  • K&N part number: RU-1390.
  • Air filter shape: Oval.
  • Filter material: Cotton Gauze.
  • Flange angle: 20 degrees.
  • Flange inside diameter: 2.438 inches (62 mm).
  • Flange length: 1.25 inches (32 mm).
  • Filter re-oiling amount: 0.73 ounce (22 ml).
  • Flange type: Angled.
  • Height: 7 inches (178 mm).
  • Outside length: 4.5 inches (114 mm).
  • Outside width: 3.75 inches (95 mm).
  • Top style: Rubber.
  • Top material: None.
  • Flanges: 1.
  • Package contents: 1 air filter.
  • Product style: Oval straight universal air filter.
  • Base outside length: 4.5 inches (114 mm).
  • Base outside width: 3.75 inches (95 mm).
  • Top outside length: 4.5 inches (114 mm).
  • Top outside width: 3.75 inches (95 mm).
  • Weight: 1 pound (0.4 kg).

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• # Part Numbers

  Product Variant	Manufacturer Part #
  Rubber Top / 2-7/16" Flange / 7" Height / 20 Degrees K&N Universal Clamp-On Air Filter - Oval Straight	RU-1390

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