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K&N Motorcycle and ATV air filters
K&N Filter Accessories

Adapter Flanges
Quick, convenient way to adapt K&N Universal Filter to carburetor with flat flange.

K&N Adapter Flange 85-1070
85-1070


K&N Adapter Flange 1080
85-1080
 

K&N Adapter Flange 1090
85-1090

K&N Adapter Flange 85-1180
85-1180

 

Carburetor Flange Size

1-1/8" bore, 2-bolt
1-5/8" bore, 3-bolt
1" bore, 2-bolt
1" bore, 2-bolt

Bolt Circle

1-3/8"
2"
45mm
40mm

Adapter O.D.

2-3/4"
2-3/4"
2-7/16"
2"

Adapter
Width
7/8"
5/8"
5/8"
5/8"

Adapter Part #

85-1070
85-1080
85-1090
85-1180

 


Valve Cover and Filter Vent Tubes
Universal adapters for smog tubes, crankcase and valve cover vents. Requires drilling hole in air filter base or valve cover. All come with mounting hardware and gasket.

Description Part #
Steel 1/2" flange, 3/4" long, requires 5/8" hole 85-1050
Plastic straight adapter fits5/8" to 3/4" hose 85-1130
Plastic 90° elbow fits 5/8"hose, requires 7/8" hole 85-1190
Plastic 90° elbow fits 1/2" hose, requires 9/16"hole 85-1120
Plastic 90° elbow fits 3/8" hose, uses rubber grommet 85-1140
Plastic 90° elbow fits 1/2" hose, uses rubber grommet 85-1150
 K&N Valve Cover and Filter Vent Tubes 85-1050
85-1050
 K&N Valve Cover and Filter Vent Tubes 85-1190
85-1190
 K&N Valve Cover and Filter Vent Tubes 85-1120
85-1120
 K&N Valve Cover and Filter Vent Tubes 85-1150
85-1150

K&N Vent Hose AdaptersMarine Style Vent Hose Adapters

Size Height Part   Size Height Part   Size Height Part
1/4" 2.75" 85-1325   3/8" 6" 85-1637   5/8" 4" 85-1462
1/4" 4" 85-1425   1/2" 2.75" 85-1350   5/8" 6" 85-1662
1/4" 6" 85-1625   1/2" 4" 85-1450   3/4" 2.75" 85-1375
3/8" 2.75" 85-1337   1/2" 6" 85-1650   3/4" 4" 85-1475
3/8" 4" 85-1437   5/8" 2.75" 85-1362   3/4" 6" 85-1675

PreCharger and DryCharger Filter Wraps

K&N PreCharger and DryCharger Filter Wraps

 


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