Kuryakyn Crankcase Breather Kit for use with CV or HSR42 (KY-8518)
Breather Kit for use with CV or HSR42Maximum efficiency in crankcase ventilation is important for engine performance and engine gasket longevity. This kit is a must when installing a Hypercharger on a 91-03 XL or 93-99 Evolution Big Twin.Note: 8560 and 8561 are for use only with Hyperchargers and the… (read more)

 

 

Kuryakyn Bluegrass Breather Kit (KY-9930)
The only banjos we use here at Kryakyn are the banjo fittings in these extremely adapable crankcase breather kits. Unfortunately almost all Harley-Davidson engines that vent the crankcase through the cylinder heads also expel oil through the same passages. Venting directly into the air cleaner especially… (read more)

 

 

Kuryakyn Bluegrass Breather Kit (KY-9932)
The only banjos we use here at Kryakyn are the banjo fittings in these extremely adapable crankcase breather kits. Unfortunately almost all Harley-Davidson engines that vent the crankcase through the cylinder heads also expel oil through the same passages. Venting directly into the air cleaner especially… (read more)

 

 

Kuryakyn Twin Cam Crankcase Breather (KY-9920)
Included with our Hypercharger kits for Twin Cam models this breather kit installs between the Hypercharger and the carb support bracket. The stock breather bolts and vent hoses are reused. (read more)

 

 

Kuryakyn Catch Tank For Bluegrass Breather (KY-9931)
The only banjos we use here at Kryakyn are the banjo fittings in these extremely adapable crankcase breather kits. Unfortunately almost all Harley-Davidson engines that vent the crankcase through the cylinder heads also expel oil through the same passages. Venting directly into the air cleaner especially… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit 00 and newer All CarbFi Models (AN-18-505)
- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit - FLT ModelsFuel Injected Softail Models - Chrome (AN-18-501)
…TARGETblankHot bike magazineA.- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit - 91 and newer XL (AN-18-803)
- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit CarbFi Softail Models 93-05 (AN-18-500)
…of Hot bike magazine..- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit Chrome - 00 and newer All CarbFi Models (AN-18-507)
…courtesy of Hot bike magazine.- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit All 2008 FLT Models (AN-18-510)
- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor… (read more)

 

 

Arlen Ness Big Sucker Stage I Kit Chrome - 2008 FLT Models (AN-18-512)
…courtesy of Hot bike magazine.- Kits now available with chrome backing plates.- The best and simplest performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits… (read more)

 

 

Arlen Ness Team Ness Big Sucker Stage II Air Filter Kit - All CarbFi Models 2000-08 (AN-18-506)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit - 91 and newer XL Models (AN-18-804)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit - CarbFi Softails Fi FLT - Chrome (AN-18-502)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit Chrome - 00 and newer All CarbFi Models (AN-18-508)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Team Ness Big Sucker Stage II Air Filter Kit - CarbFi Softails 93-05 (AN-18-499)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit Chrome - 2008 FLT Models (AN-18-513)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Team Ness Big Sucker Stage II Air Filter Kit - 2008 FLT Models (AN-18-511)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Kuryakyn Hi-Five Aircleaner Assembly Only (KY-9483)
…connect crankcase breathers or float bowl vents if needed both plugs and fittings are included.Hi-Five Air Cleaners come complete with mounting hardware and crankcase breather kits. Applications called out for CV carb will bolt directly to stock 40mm or Screamin Eagle 44mm CV carbs. These kits can easily… (read more)

 

 

Arlen Ness Team Ness Big Sucker Stage I Air Filter Kit - FLT Fi 99-01 (AN-18-498)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit - FLT Fi 99-01 (AN-18-493)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage I Big Sucker Air Filter Kit - FLT Fi 99-01 - Chrome (AN-18-503)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)

 

 

Arlen Ness Stage II Big Sucker Air Filter Kit - FLT Fi 99-01 - Chrome (AN-18-504)
…performance air cleaner kits for your Big Twin...Period- Our all-in-one backing plate features a built-in carb support built-in breather tunnels at each head to decrease crankcase pressure. Each tunnel exits at the mouth of the carburetor to create a virtually closed loop system.- Breather features O-ring banjo… (read more)