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).
