Universal air filter details
K&N Filters Universal Chrome Air Filter 1-3/8" Flange x 2-1/2" B x 2" T x 2-1/4" H (KNNRC-0790)
The K&N Filters Universal Chrome Air Filter – 1-3/8" Flange x 2-1/2" B x 2" T x 2-1/4" H (KNNRC-0790) is engineered to improve airflow while protecting your engine from contaminants. This compact filter features a 1-3/8" flange diameter, 2-1/2" base diameter, 2" top diameter, and 2-1/4" height, making it a versatile choice for various applications. Designed with a high-flow cotton gauze media, it enhances engine efficiency and can be washed and reused, reducing waste and replacement costs. The durable chrome top and base provide a sleek finish and long-lasting performance. Whether used in custom builds, motorcycles, or small engines, this filter delivers reliable filtration and unrestricted airflow.
Features and Specifications:
Flange Diameter: 1-3/8"
Base Diameter: 2-1/2"
Top Diameter: 2"
Top Material: Chrome
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Filtration: Four layers of premium cotton gauze with a specialized tacking agent trap harmful contaminants.
Durable Construction: Built with high-quality materials for long-lasting performance.
Low Maintenance: Requires cleaning every 75,000 miles under normal highway driving conditions.
Easy Installation: Pre-oiled and ready to use for a hassle-free upgrade.
Universal Fit: Compatible with a variety of applications.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRC-0790




