K&N CUSTOM ASSEMBLIES WITH CARBURETOR APPLICATIONS

Custom Air Filter for Solex 40 P11 - Porsche 912
Custom Air Filter 56-1390

CUSTOM AIR FILTERS FOR SINGLE OR TWO BARREL CARBURETORS

K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it belongs. Show quality to fit racing vehicles with VW, Pinto or any other engine equipped with these performance carburetors. All assemblies come with custom chrome top and base plates and the Famous K&N High-Flow Washable Air Filter. All assemblies are convenient to clean and service. These products are legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See knfilters.com for CARB status on each part for a specific vehicle.

Application Filter Style* Outside Dimension Height K&N Filter Foot Note K&N Assembly
Autolite 32/36 (2bbl.) DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461 2,3 56-1020
Dellorto DHLA 40,45,48 SDO 4-1/2 x 7 1-3/4 E-3321 12 56-1310
- SDO 4-1/2 x 7 3-1/4 - - 56-1320
- SDO 5-1/2 x 9 1-3/4 - 12 56-1330
- SDO 5-1/2 x 9 3-1/4 E-3461 - -
Dellorto DRLA 36,40,45,48 DDO 4-1/2 x 7 1-3/4 E-3321 12 56-1690
- DDO 4-1/2 x 7 3-1/4 E-3341 - 56-1691
- DDO 5-1/2 x 9 3-1/4 E-3461 - 56-1693
Fomoco 32/36 (2bbl.) DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461 2,3 56-1020
Hitachi (73-74 Datsun 240,260Z) SDR 5-7/8 3-1/4 E-3190 1,11 56-1430
Hitachi SDR 5-7/8 2-1/4 E-9143 - 56-9138
Holley 5200,5210 (32/36) DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461 2,3 56-1020
- DDO 4-1/2 x 7 3-1/4 E-3317 - -
ISO (70-72 Datsun 240Z) SDR 5-7/8 3-1/4 E-3190 6,10 56-1410
Kadron-Solex H40 E/S (Brazil) DDR 7 4 - 13,16 56-1490
- DDR 5 3-3/4 E-3140 - -
- DDR 5-7/8 3-3/4 E-3210 14,16 56-1520
Mikuni-Solex 36 PHH SDO 4-1/2 x 7 1-3/4 E-3321 - 56-1370
- SDO 4-1/2 x 7 3-1/4 E-3341 - 56-1380
Mikuni-Solex 40,44,48 PHH SDO 4-1/2 x 7 1-3/4 E-3321 12 56-1310
- SDO 4-1/2 x 7 3-1/4 E-3341 - 56-1350
- SDO 5-1/2 x 9 1-3/4 - 12 56-1330
- SDO 5-1/2 x 9 3-1/4 E-3461 - -
Motorcraft 32/36 (2bbl.) DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461 2,3 56-1020
SK Racing SDO 4-1/2 x 7 3-1/4 E-3341 - 56-1350
- SDO 5-1/2 x 9 3-1/4 E-3461 - -
Solex 40 P11 (Porsche 912) DDO 5-1/2 x 9 3-1/4 E-3461 15,17 56-1255
Solex 34/34 progressive DDO 4-1/2 x 7 1-3/4 E-3321 3,21 56-1701
- DDO 4-1/2 x 7 3-1/4 E-3341 3,21 56-1703
- DDO 5-1/2 x 9 1-3/4 - 3,21 56-1650
- DDO 5-1/2 x 9 3-1/4 E-3461 3,21 56-1660
- DDO 5-1/2 x 9 1-3/4 - 3,20 56-1651
- DDO 5-1/2 x 9 3-1/4 E-3461 3,20 -
Stromberg 175 SDR 5-7/8 1-3/4 - - 56-1620
- SDR 5-7/8 3-1/4 - - 56-1622
SU 1-1/4 Bore SDR 5-7/8 1-13/16 E-3212 10,17 56-1630
SU 1-1/2 Bore (Non-UK) SDR 5-7/8 1-3/4 E-3180 10 56-1390
SU 1-1/2 Bore HIF4,HIF6, HIF38 SDR 5-7/8/8b/3-1/2t 2-11/16 E-9156 - 56-9320
SU 1-3/4 Bore (not HIF6/Non-UK) SDR 5-7/8 1-3/4 E-3180 10 56-1400
SU 1-3/4 Bore HIF6 SDR 5-7/8/8b/3-1/2t 2-11/16 E-9156 - 56-9330
SU 1-3/4 Bore HS6 SDR 5-7/8/8b/3-1/2t 2-11/16 E-9156 - 56-9327
SU (70-72 Datsun 240Z) SDR 5-7/8 1-3/4 E-3190 - 56-1410
SU (73-74 Datsun 240,260Z) SDR 5-7/8 1-3/4 E-3190 1,11 56-1430
Custom Air Filter 56-1200 for Weber Carburetor
Custom Air Filter 56-1210 for Weber Carburetor

CUSTOM AIR FILTERS FOR WEBER CARBURETORS

Nullam tiK&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it belongs. Show quality to fit racing vehicles with VW, Pinto or any other engine equipped with these performance carburetors. All assemblies come with custom chrome top and base plates (except IDA Triple) and the Famous K&N High-Flow Washable Air Filter. All assemblies are convenient to clean and service.
Application Filter Style* Outside Dimension Height K&N Filter Foot Note K&N Assembly
DAR,DIR,DIF 32/36 DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461 2,3 56-1020
DATRA,DATRE 34/36 DDO 5-1/2 x 9 1-3/4 - 3,20 56-1651
- DDO 5-1/2 x 9 3-1/4 E-3461 3,20 -
- DDO 5-1/2 x 9 1-3/4 - 3,21 56-1650
- DDO 5-1/2 x 9 3-1/4 E-3461 3,21 56-1660
DCD,DAS,DCLD,DCS 28/36 DDO 4-1/2 x 7 2-3/4 E-3325 3 56-1640
DCN 40-14 DDO 4-1/2 x 7 3-1/4 E-3341  - 56-1080
DCNF 36,40,42,44 DDO 4-1/2 x 7 1-3/4 E-3321 15 56-1110
- DDO 4-1/2 x 7 3-1/4 E-3341 15 56-1120
- DDO 5-1/2 x 9 3-1/4 E-3461 15 56-1130
- DDO 5-1/2 x 9 3-1/4 E-3461 3,5,15 56-1140
- DDO 5-1/2 x 9 2 E-3442 3,5 56-1150
DCOE 40,42 SDO 4-1/2 x 7 1-3/4 E-3321 8 56-1270
- SDO 4-1/2 x 7 3-1/4 E-3341 9 56-1350
- SDO 5-1/2 x 9 3-1/4 E-3461 9 -
DCOE 45,48 SDO 4-1/2 x 7 1-3/4 E-3321 8 56-1310
- SDO 5-1/2 x 9 1-3/4 - 8 56-1330
- SDO 4-1/2 x 7 3-1/4 E-3341 9 56-1350
- SDO 5-1/2 x 9 3-1/4 E-3461 9 -
- REC 6-1/2 x 7-1/2 1-3/4 E-3960  8 -
DCOE 50,DCOE SP48,55 SDO 4-1/2 x 7 3-1/4 E-3341 9 56-1710
- SDO 5-1/2 x 9 3-1/4 E-3461  9 56-1720
DFT DDO 5-1/2 x 9 3-1/4 E-3461  - 56-1730
DFB,DFD,DFE,DFV 32/36 DDO 5-1/2 x 9 1-3/4 - 3 56-1010
- DDO 5-1/2 x 9 3-1/4 E-3461  2,3 56-1020
- DDO 4-1/2 x 7 1-3/4 E-3321  - 56-1030
- DDO 4-1/2 x 7 3-1/4 E-3341  - 56-1040
- DDO 5-1/2 x 9 1-3/4 - 3 56-1070
- DDO 5-1/2 x 9 3-1/4 E-3461 3 56-1060
DMTR 34/36 DDO 5-1/2 x 9 1-3/4 - 3,20 56-1651
- DDO 5-1/2 x 9 3-1/4 E-3461 3,20 -
- DDO 5-1/2x 9 1-3/4 - 3,21 56-1650
- DDO 5-1/2 x 9 3-1/4 E-3461 3,21 56-1660
IDA 48 DDO 5-1/2 x 9 3-1/4 E-3461  - 56-1210
- DDO 5-1/2 x 9 4-1/2 E-3471  - 56-1220
- DDO 5-1/2 x 9 5-1/2 E-3481  - 56-1230
IDF 40,44,48,44MX DDO 4-1/2 x 7 1-3/4 E-3321  - 56-1160
- DDO 4-1/2 x 7 3-1/4 E-3341  - 56-1170
- DDO 5-1/2 x 9 3-1/4 E-3461  - 56-1190
- DDO 5-1/2 x 9 6 E-3491 18,19 56-1200

* Filter Styles: DDO = down draft oval DDR = down draft round SDO = side draft oval SDR = side draft round REC = rectangle FOOTNOTES 1) 1-15/16" X 19/16" rectangle opening in baseplate 2) includes cast aluminum velocity stack 3) 1/2" vent elbow included 4) fits Holley 5200 equipped with electronic feedback solenoid 5) oval filter assembly is turned 90 degrees to the base of carburetor flange (4 stud base) 6) 1-3/4" opening in baseplate 7) cast aluminum top and base powder coated black 8) must remove Weber airhorns 9) works with Weber airhorns 10) 2 bolt mount 11) 3 bolt mount 12) will not work with velocity stacks 13) 2-5/8" flange, will not fit VW engine with large fan shrouds 14) special offset base allows use of larger fan shrouds on VW engines 15) mounting bolt kit included 16) E-2410 fits original Kadron filter case 17) includes optional vent 18) must use separate velocity stacks to mount filter 19) new improved racing version has stronger center tree and 4 springs to hold top plate 20) filter is turned 90 degrees to centerlines of carburetor bore 21) filter is mounted centered to carburetor bores
Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See knfilters.com for CARB status on each part for a specific vehicle.

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