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SKU: R-0990 | UPC: 024844006301
K&N Universal Rubber Filter R-0990 for 1968 Norton 750/850 Commando
K&N R-0990 is a clamp-on universal air filter built for 1968 Norton 750/850 Commando models and other vintage applications. This 4-inch tall conical filter with 1.5-inch flange delivers increased airflow for better horsepower and acceleration. Its washable reusable design ensures long-term performance gains over disposable filters.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent trap contaminants while allowing maximum airflow
- Clean Once Every 5 Years: Service every 75000 miles under normal highway conditions based on 15000 miles per year average
- Easy Installation: Pre-oiled and ready to clamp on for quick performance upgrade without tools
- Engineered Power: State-of-the-art media increases horsepower acceleration and engine response
- Rugged Construction: Molded rubber flanges stretch up to 1/16 inch absorb vibration and last a lifetime
Product Notes
- Flanges fit 1.5 inch inside diameter intakes with 0.75 inch flange length
- Wash with K&N cleaner oil and reinstall for reuse
- Package dimensions 6.1 x 5.9 x 5.8 inches
Installation Notes
- Professional installation recommended.
- Clamp-on design secures to 1.5 inch air intake tube
- Stretches to fit in-between sizes no cutting required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1970 | Norton | Commando | 750 |
| 1971-1975 | Norton | Commando | 850 |
Why Choose K&N?
- Over 60 years engineering high-flow filtration
- Pre-oiled cotton gauze outperforms paper filters
- Made with premium materials for motorsport durability
Frequently Asked Questions
-
Q: Will R-0990 fit my 1968 Norton Commando 750?
A: Yes 1.5 inch flange matches stock intake on 1968 Norton 750/850 Commando models -
Q: What material is the filter media?
A: Four layers of oiled cotton gauze in conical shape with rubber top and flange -
Q: What is the warranty and maintenance?
A: 1-Year Limited Warranty clean every 75000 miles with K&N kit
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: 6.1 x 5.9 x 5.8 inches protective box
- Weight: 1 lb
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