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K&N Off-Road Air Filters for UMP Air Boxes, Volkswagen Carburetors, and other applications
These Off- Road filters are designed to provide an outstanding combination of
filtration and performance.
Designed to achieve high, virtually unrestricted airflow while maintaining
filtration levels critical to your engine.
K&N Off-Road Air Filter Assembly
Covered round assembly with 3" outlet. Aluminum cover allows extra protection for filter element. Filter size 9" Diameter by 3" tall.
K&N Off-Road Air Filter Assembly 55-1120
Replacement Air Filter Element E-3600
K&N Replacement Air Filters for UMP Off-Road Air Box
K&N Performance High Flow Air Filters for UMP Off-Road Air Boxes include sealing grease and a DryCharger® filter wrap to extend servicing interval.
K&N Air Filter for UMP Off-Road Air Box with 3" outlet - 55-1000
K&N Air Filter for UMP Off-Road Air Box with 4" outlet - 55-1001
K&N Air Filters for VW Racing Engines
Universal air filters designed for 2-1/16" VW Solex and 2-9/16" Zenith-Holley carburetors. One piece construction with a strong rubber base and flange that clamps directly to the carburetor. Some units have 1/2" vent kits included, for easy installation of vent hoses. Choice of show quality chrome or economy rubber top. Chrome adds the touch of class - rubber for the rugged off-road use. Three shapes or styles and numerous heights available - see listings below.
K&N Universal Air Filters for VW Solex Carb With 2-1/16" Mounting Flange
Round Center Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-1/16" | 3-1/2" | 4" | RA-0500 | RA-050V |
| 2-1/16" | 3-1/2" | 5" | RA-0510 | N/A |
| 2-1/16" | 3-1/2" | 6" | RA-0520 | N/A |
| 2-1/16" | 4-1/2" | 4" | RA-0530 | N/A |
| 2-1/16" | 4-1/2" | 5" | RA-0540 | N/A |
| 2-1/16" | 5-1/2" | 2" | - | RA-055V* |
| 2-1/16" | 5-1/2" | 3" | RA-0560* | |
| 2-1/16" | 5-1/2" | 4" | RA-0570* | RA-057V* |
| 2-1/16" | 5-1/2" | 5" | RA-0580* | - |
Round Offset Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-1/16" | 6" | 2" | RA-0450* | RA-045V* |
| 2-1/16" | 6" | 3" | RA-0460* | RA-046V* |
| 2-1/16" | 6" | 4" | RA-0470* |
Oval Offset Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-1/16" | 4-1/2" x 7" | 1-1/2" | RA-0700* | RA-070V* |
| 2-1/16" | 4-1/2" x 7" | 2" | RA-0710* | RA-071V* |
| 2-1/16" | 4-1/2" x 7" | 3" | RA-0720* | RA-072V* |
* - Optional 1/2" vent comes as standard equipment
K&N Universal Air Filters for Zenith-Holley Carb With 2-9/16" Mounting Flange
Round Center Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-9/16" | 4-1/2" | 4" | RA-0600 | N/A |
| 2-9/16" | 4-1/2" | 5" | RA-0610 | N/A |
| 2-9/16" | 5-1/2" | 2" | RA-0620* | RA-062V* |
| 2-9/16" | 5-1/2" | 3" | RA-0630* | RA-063V* |
| 2-9/16" | 5-1/2" | 4" | RA-0640* | N/A |
| 2-9/16" | 5-1/2" | 5" | RA-0650* | N/A |
Round Offset Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-9/16" | 6" | 2" | RA-0660* | RA-066V* |
| 2-9/16" | 6" | 3" | RA-0670* | RA-067V* |
| 2-9/16" | 6" | 4" | RA-0680* | RA-068V* |
Oval Offset Mount
| Flange I.D. | Filter O.D. | Filter Height | Rubber Part # | Chrome Part # |
| 2-9/16" | 4-1/2" x 7" | 1-1/2" | RA-0750* | RA-075V* |
| 2-9/16" | 4-1/2" x 7" | 2" | RA-0760* | RA-076V* |
| 2-9/16" | 4-1/2" x 7" | 3" | RA-0770* | RA-077V* |
* - Optional 1/2" vent comes as standard equipment
