Crankcase Breather Reed Valve — Standard thread size, silver

S&S CYCLE Crankcase Breather Reed Valve — Standard thread size, silver – 93-99 Touring, 93-99 Softail, 93-99 Dyna, 93-94 FXR, 99 CVO

S&S CYCLE
0920-0008
31-2096
New-style reed valve that opens on demand to improve performance and prevent high-rpm oil carryover. Fast, simple installation. Made in the USA.
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⚙️ The new-style crankcase breather reed valve opens when pressure in the crankcase becomes greater than pressure in the cam chest, and closes when pressures equalize, delivering reliable ventilation without relying on crankshaft rotation.

  • 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 USA.
: 0920-0008
In Stock

Data sheet

Type
Crankcase
Units
Each
Color/Finish
Silver
Base Color
Silver
Brand
S&S CYCLE
Diameter - Thread Size
Standard
Harley Family
CVO
Dyna
FXR
Softail
Touring

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Road King Touring 1994
Harley Davidson Road King Touring 1995
Harley Davidson Road King Touring 1996
Harley Davidson Road King Touring 1997
Harley Davidson Road King Touring 1998
Harley Davidson Road King Touring 1999
Harley Davidson Road King Classic Touring 1998
Harley Davidson Road King Classic Touring 1999
Harley Davidson Road King Touring 1996
Harley Davidson Road King Touring 1997
Harley Davidson Road King Touring 1999
Harley Davidson Electra Glide Sport Touring 1993
Harley Davidson Electra Glide Standard Touring 1996
Harley Davidson Electra Glide Standard Touring 1997
Harley Davidson Electra Glide Standard Touring 1998
Harley Davidson Electra Glide Touring 1999
Harley Davidson Electra Glide Classic Touring 1993
Harley Davidson Electra Glide Classic Touring 1994
Harley Davidson Electra Glide Classic Touring 1995
Harley Davidson Electra Glide Classic Touring 1996
Harley Davidson Electra Glide Classic Touring 1997
Harley Davidson Electra Glide Classic Touring 1998
Harley Davidson Electra Glide Classic Touring 1996
Harley Davidson Electra Glide Classic Touring 1997
Harley Davidson Electra Glide Classic Touring 1998
Harley Davidson Electra Glide Classic Touring 1999
Harley Davidson Electra Glide Ultra Classic Touring 1993
Harley Davidson Electra Glide Ultra Classic Touring 1994
Harley Davidson Electra Glide Ultra Classic Touring 1995
Harley Davidson Electra Glide Ultra Classic Touring 1996
Harley Davidson Electra Glide Ultra Classic Touring 1997
Harley Davidson Electra Glide Ultra Classic Special Anniversary Edition Touring 1995
Harley Davidson Electra Glide Ultra Classic Touring 1996
Harley Davidson Electra Glide Ultra Classic Touring 1997
Harley Davidson Electra Glide Ultra Classic Touring 1998
Harley Davidson Electra Glide Ultra Classic Touring 1999
Harley Davidson Heritage Softail Classic Softail 1993
Harley Davidson Heritage Softail Classic Softail 1994
Harley Davidson Heritage Softail Classic Softail 1995
Harley Davidson Heritage Softail Classic Softail 1996
Harley Davidson Heritage Softail Classic Softail 1997
Harley Davidson Heritage Softail Classic Softail 1998
Harley Davidson Heritage Softail Classic Softail 1999
Harley Davidson Fat Boy Softail 1993
Harley Davidson Fat Boy Softail 1994
Harley Davidson Fat Boy Softail 1995
Harley Davidson Fat Boy Softail 1996
Harley Davidson Fat Boy Softail 1997
Harley Davidson Fat Boy Softail 1998
Harley Davidson Fat Boy Softail 1999
Harley Davidson Heritage Softail Special/Nostalgia Softail 1993
Harley Davidson Heritage Softail Special/Nostalgia Softail 1994
Harley Davidson Heritage Softail Special/Nostalgia Softail 1995
Harley Davidson Heritage Softail Special/Nostalgia Softail 1996
Harley Davidson Heritage Softail Springer Softail 1997
Harley Davidson Heritage Softail Springer Softail 1998
Harley Davidson Heritage Softail Springer Softail 1999
Harley Davidson Tour Glide Ultra Classic Touring 1993
Harley Davidson Tour Glide Ultra Classic Touring 1994
Harley Davidson Tour Glide Ultra Classic Touring 1995
Harley Davidson Tour Glide Ultra Classic Touring 1996
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 1998
Harley Davidson Road Glide Touring 1999
Harley Davidson Dyna Super Glide Dyna 1995
Harley Davidson Dyna Super Glide Dyna 1996
Harley Davidson Dyna Super Glide Dyna 1997
Harley Davidson Dyna Super Glide Dyna 1998
Harley Davidson Dyna Super Glide Dyna 1999
Harley Davidson Dyna Low Rider Dyna 1993
Harley Davidson Dyna Low Rider Dyna 1994
Harley Davidson Dyna Low Rider Dyna 1995
Harley Davidson Dyna Low Rider Dyna 1996
Harley Davidson Dyna Low Rider Dyna 1997
Harley Davidson Dyna Low Rider Dyna 1998
Harley Davidson Dyna Low Rider Dyna 1999
Harley Davidson Dyna Super Glide Convertible Dyna 1994
Harley Davidson Dyna Super Glide Convertible Dyna 1995
Harley Davidson Dyna Super Glide Convertible Dyna 1996
Harley Davidson Dyna Super Glide Convertible Dyna 1997
Harley Davidson Dyna Super Glide Convertible Dyna 1998
Harley Davidson Dyna Super Glide Convertible Dyna 1999
Harley Davidson Dyna Wide Glide Dyna 1993
Harley Davidson Dyna Wide Glide Dyna 1994
Harley Davidson Dyna Wide Glide Dyna 1995
Harley Davidson Dyna Wide Glide Dyna 1996
Harley Davidson Dyna Wide Glide Dyna 1997
Harley Davidson Dyna Wide Glide Dyna 1998
Harley Davidson Dyna Wide Glide Dyna 1999
Harley Davidson Dyna Super Glide Sport Dyna 1999
Harley Davidson Low Rider Custom FXR 1993
Harley Davidson Low Rider Custom FXR 1994
Harley Davidson Super Glide FXR 1993
Harley Davidson Super Glide FXR 1994
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Low Rider Convertible FXR 1993
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1993
Harley Davidson Softail Softail 1999
Harley Davidson Softail Night Train Softail 1998
Harley Davidson Softail Night Train Softail 1999
Harley Davidson Softail Custom Softail 1993
Harley Davidson Softail Custom Softail 1994
Harley Davidson Softail Custom Softail 1995
Harley Davidson Softail Custom Softail 1996
Harley Davidson Softail Custom Softail 1997
Harley Davidson Softail Custom Softail 1998
Harley Davidson Softail Springer Softail 1993
Harley Davidson Softail Springer Softail 1994
Harley Davidson Softail Springer Softail 1995
Harley Davidson Softail Springer Softail 1996
Harley Davidson Softail Springer Softail 1997
Harley Davidson Softail Springer Softail 1998
Harley Davidson Softail Springer Softail 1999
Harley Davidson Bad Boy Softail 1995
Harley Davidson Bad Boy Softail 1996
Harley Davidson Bad Boy Softail 1997