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S&S Cycle

S&S Cycle Crankcase Breather Reed Valve Crankcase +0.030" Oversize Evolution Big Twin - 31-2100 For Harley Motorcycles 1993-2000

MPN: 31-2100 SKU: 0920-0009
S&S Cycle

S&S Cycle Crankcase Breather Reed Valve Crankcase +0.030" Oversize Evolution Big Twin - 31-2100 For Harley Motorcycles 1993-2000

MPN: 31-2100 SKU: 0920-0009
SKU: 0920-0009
New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when pressure in the cam chest is equal to or greater than pressure in the crankcase By opening and closing "on demand," the reed valves automatically compensate for lag time associated with accelerating the mass of air as it is forced out of the crankcase, increasing performance and stopping high-rpm oil carryover in engines with marginal piston ring seal Installation is fast and simple; no aligning timing marks, and no rotating parts Made in the U.S.A. Specs Product Name Breather Valve Type Crankcase Base Color Silver Color/Finish Silver Diameter - Thread Size +0.030" Units Each Riding Style Street 1993-1998 Harley-Davidson Dyna Low Rider FXDL 1993-1998 Harley-Davidson Dyna Wide Glide FXDWG 1993-1998 Harley-Davidson Electra Glide Classic FLHTC 1993 Harley-Davidson Electra Glide Sport FLHS 1993-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1993 Harley-Davidson Low Rider Convertible FXRS-CONV 1993-1994 Harley-Davidson Low Rider Custom FXLR 1993 Harley-Davidson Low Rider FXRS 1993 Harley-Davidson Low Rider Sport FXRS-SP 1993-1999 Harley-Davidson Softail Custom FXSTC 1993-1999 Harley-Davidson Softail Fat Boy FLSTF 1993-1999 Harley-Davidson Softail Heritage Classic FLSTC 1993 Harley-Davidson Softail Heritage Nostalgia FLSTN 1993-1999 Harley-Davidson Softail Springer FXSTS 1993,1999 Harley-Davidson Softail Standard FXST 1993 Harley-Davidson Sport Glide FXRT 1993-1994 Harley-Davidson Super Glide II FXR 1993-1994 Harley-Davidson Tour Glide Classic FLTC 1993-1996 Harley-Davidson Tour Glide Ultra Classic FLTCU 1994-1998 Harley-Davidson Road King FLHR/FLHRC 1994-1996 Harley-Davidson Softail Heritage Special FLSTN 1995-1998 Harley-Davidson Dyna Convertible FXDS-CONV 1995-1998 Harley-Davidson Electra Glide Classic FLHTCI 1995-1998 Harley-Davidson Electra Glide Standard FLHT 1995-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCUI 1995-1997 Harley-Davidson Softail Bad Boy FXSTSB 1995-1998 Harley-Davidson Super Glide FXD 1996 Harley-Davidson Tour Glide Ultra Classic FLTCUI 1997-1999 Harley-Davidson Softail Heritage Springer FLSTS 1998 Harley-Davidson Road Glide FLTR 1998 Harley-Davidson Road Glide FLTRI 1999 Harley-Davidson FXR2 1999 Harley-Davidson FXR3 1999 Harley-Davidson Softail Night Train FXSTB 2000 Harley-Davidson FXR4 Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Regular price $171.95
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Product Details

Product Description

Features

  • New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the crankcase becomes greater than pressure in the cam chest, and close when pressure in the cam chest is equal to or greater than pressure in the crankcase
  • By opening and closing "on demand," the reed valves automatically compensate for lag time associated with accelerating the mass of air as it is forced out of the crankcase, increasing performance and stopping high-rpm oil carryover in engines with marginal piston ring seal
  • Installation is fast and simple; no aligning timing marks, and no rotating parts
  • Made in the U.S.A.

Specs

Product Name Breather Valve
Type Crankcase
Base Color Silver
Color/Finish Silver
Diameter - Thread Size +0.030"
Units Each
Riding Style Street

1993-1998 Harley-Davidson Dyna Low Rider FXDL
1993-1998 Harley-Davidson Dyna Wide Glide FXDWG
1993-1998 Harley-Davidson Electra Glide Classic FLHTC
1993 Harley-Davidson Electra Glide Sport FLHS
1993-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCU
1993 Harley-Davidson Low Rider Convertible FXRS-CONV
1993-1994 Harley-Davidson Low Rider Custom FXLR
1993 Harley-Davidson Low Rider FXRS
1993 Harley-Davidson Low Rider Sport FXRS-SP
1993-1999 Harley-Davidson Softail Custom FXSTC
1993-1999 Harley-Davidson Softail Fat Boy FLSTF
1993-1999 Harley-Davidson Softail Heritage Classic FLSTC
1993 Harley-Davidson Softail Heritage Nostalgia FLSTN
1993-1999 Harley-Davidson Softail Springer FXSTS
1993,1999 Harley-Davidson Softail Standard FXST
1993 Harley-Davidson Sport Glide FXRT
1993-1994 Harley-Davidson Super Glide II FXR
1993-1994 Harley-Davidson Tour Glide Classic FLTC
1993-1996 Harley-Davidson Tour Glide Ultra Classic FLTCU
1994-1998 Harley-Davidson Road King FLHR/FLHRC
1994-1996 Harley-Davidson Softail Heritage Special FLSTN
1995-1998 Harley-Davidson Dyna Convertible FXDS-CONV
1995-1998 Harley-Davidson Electra Glide Classic FLHTCI
1995-1998 Harley-Davidson Electra Glide Standard FLHT
1995-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCUI
1995-1997 Harley-Davidson Softail Bad Boy FXSTSB
1995-1998 Harley-Davidson Super Glide FXD
1996 Harley-Davidson Tour Glide Ultra Classic FLTCUI
1997-1999 Harley-Davidson Softail Heritage Springer FLSTS
1998 Harley-Davidson Road Glide FLTR
1998 Harley-Davidson Road Glide FLTRI
1999 Harley-Davidson FXR2
1999 Harley-Davidson FXR3
1999 Harley-Davidson Softail Night Train FXSTB
2000 Harley-Davidson FXR4

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Part Numbers
Store SKU MFR. Product # Availability
0920-0009 31-2100 In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

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