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You Are Here: Home > Engine > Crankcase Components > Breather Kits
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Bikers Choice Crankcase Breathers - 1/8in. NPT Thread 120098
Bikers Choice Crankcase Breathers - 1/8in. NPT Thread 120098
Our Price: $12.24

Chrome-plated
#48-9894 features a bolt for attaching to flat surfaces
#48-9895 comes with a stud and bolt
#48-9897 1/8 NPT thread
Bikers Choice Die Cast Mount Crankcase Breather - Replacement Filter 74065A
Bikers Choice Die Cast Mount Crankcase Breather - Replacement Filter 74065A
Our Price: $12.33

Chrome-plated
Easily installed
Adds a little style to a part you may normally try to hide
Breather has 3/8 inlet and chrome cap
Bikers Choice Crankcase Breathers - Fits 3/8in. Breather Hose 120096
Bikers Choice Crankcase Breathers - Fits 3/8in. Breather Hose 120096
Our Price: $13.29

Chrome-plated
#48-9894 features a bolt for attaching to flat surfaces
#48-9895 comes with a stud and bolt
#48-9897 1/8 NPT thread
Bikers Choice Crankcase Breathers - Fits 3/8in. Breather Hose 120094
Bikers Choice Crankcase Breathers - Fits 3/8in. Breather Hose 120094
Our Price: $13.29

Chrome-plated
#48-9894 features a bolt for attaching to flat surfaces
#48-9895 comes with a stud and bolt
#48-9897 1/8 NPT thread
Advance Flow Engineering Pro Dry S Crankcase Breather Filter 18-01004
Advance Flow Engineering Pro Dry S Crankcase Breather Filter 18-01004
List Price: $19.95
Our Price: $17.96
Save: $1.99!

15% more horsepower and torque
Comes with 2 main filter options and CVT filter
Bikers Choice Die Cast Mount Crankcase Breather - Fits 3/8in. Breather Hose 74065S2
Bikers Choice Die Cast Mount Crankcase Breather - Fits 3/8in. Breather Hose 74065S2
Our Price: $21.95

Chrome-plated
Easily installed
Adds a little style to a part you may normally try to hide
Breather has 3/8 inlet and chrome cap
K&N Engineering Universal Crankcase Vent Air Filter - 3/8in. Vent - Rubber End Cap 62-1000
K&N Engineering Universal Crankcase Vent Air Filter - 3/8in. Vent - Rubber End Cap 62-1000
Our Price: $22.79

Fits 3/8in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - 1/2in. Vent - Chrome End Cap with Stud 62-1100
K&N Engineering Universal Crankcase Vent Air Filter - 1/2in. Vent - Chrome End Cap with Stud 62-1100
Our Price: $23.68

Fits 1/2in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Chrome End Cap with Stud 62-1120
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Chrome End Cap with Stud 62-1120
Our Price: $23.68

Fits 3/4in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - 5/8in. Vent - Chrome End Cap with Stud 62-1110
K&N Engineering Universal Crankcase Vent Air Filter - 5/8in. Vent - Chrome End Cap with Stud 62-1110
Our Price: $23.68

Fits 5/8in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Crankcase Vent - 5/8in. Vent - Rubber Top 62-1020
K&N Engineering Crankcase Vent - 5/8in. Vent - Rubber Top 62-1020
Our Price: $24.99

2in. Dia. x 1 1/2in. high filter chrome top with stud and 1/2in. hose fitting
Fits 1/2in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
Legal Only for racing vehicles which may Never be used on a highway or emission controlled street
K&N Engineering Universal Crankcase Vent Air Filter - 3/8in. Vent - Chrome End Cap with Stud 62-1090
K&N Engineering Universal Crankcase Vent Air Filter - 3/8in. Vent - Chrome End Cap with Stud 62-1090
Our Price: $25.14

Fits 3/8in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Rubber End Cap 62-1030
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Rubber End Cap 62-1030
Our Price: $25.79

Fits 3/4in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - Chrome End Cap 62-1340
K&N Engineering Universal Crankcase Vent Air Filter - Chrome End Cap 62-1340
Our Price: $25.79

When selecting one of K&Ns universal round straight air filters, you should consider the following dimensions as they relate to the specification chart:
Mounting Flange Inside Diameter - This is the most critical dimension and should be very close to the diameter of the applications inlet flange. The flange will stretch up to 1/8in. for those in-between sizes.
Filter Diameter - This is the overall diameter of the filter. Always use the largest diameter practical to insure maximum filtration.
Filter Length - This dimension is the length of the filter body only, it does not include the flange length. Always use the longest filter practical for maximum filtration.
Flange Angle and/or Length - If no angle is listed in the specifications table, the flange is straight.
Any angle listed is in degrees and can be utilized when space is a problem.
Flange Type - The location of the flange in relation to the O.D. of the filter is sometimes offset to one edge of the filter for more clearance in an application..
K and N Universal Round Straight Sold Individually
Fits 5/8in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Chrome End Cap 62-1360
K&N Engineering Universal Crankcase Vent Air Filter - 3/4in. Vent - Chrome End Cap 62-1360
Our Price: $25.79

Fits 3/4in. Breather Hose
Vents have chrome-plated steel base with vent tube attached
Filters with mounting studs may be mounted remotely, but require vent hose
Filters mounted directly can be pressed into rubber grommets in valve corner
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles