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 Filters for UMP Off-Road Air Box

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-0550*	RA-055V*
2-1/16"	5-1/2"	3"	RA-0560*	RA-056V*
2-1/16"	5-1/2"	4"	RA-0570*	RA-057V*
2-1/16"	5-1/2"	5"	RA-0580*	RA-058V*

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*	RA-047V*

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