0.650" Sidewinder® Valve Spring Kit — 178 lb seat, 376 lb open

S&S CYCLE 0.650" Sidewinder® Valve Spring Kit — 178 lb seat, 376 lb open – 84-86 Big Twin, 83-96 Touring, 99-00, 04 CVO, 91, 94-95 Dyna, 84-94 FXR, 84 Police, 85-89, 91, 93, 98 Softail

S&S CYCLE
0926-2056
900-0050
Complete Sidewinder valve spring kit includes springs, collars and keys; built for high-rpm performance; made in USA.
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Includes springs, upper and lower collars and keys.

Engineered for high valve lift applications and reliable performance at elevated rpm.

Made in the USA. 🇺🇸

  • Complete kit for Sidewinder valve trains.
  • Durable materials and precision manufacturing for consistent operation.

Easy to install with standard retainers and keys; ideal for performance rebuilds and upgrades. 🔧

: 0926-2056
In Stock

Data sheet

Type
Valve
Units
Kit
Brand
S&S CYCLE
Application
Exhaust, Intake
Spring Seat Pressure
178 lb
Spring Open Pressure
376 lb
Spring Lift
0,650"
0.650"
Harley Family
CVO
Dyna
FXR
Softail
Touring
Vintage Big Twin

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

Manufacturer Model Family Year Notes
Harley Davidson Electra Glide Belt Drive Big Twin 1984
Harley Davidson Electra Glide Sport Touring 1988
Harley Davidson Electra Glide Sport Touring 1989
Harley Davidson Electra Glide Sport Touring 1990
Harley Davidson Electra Glide Sport Touring 1993
Harley Davidson Electra Glide Touring 1984
Harley Davidson Electra Glide Touring 1986
Harley Davidson Electra Glide Touring 1987
Harley Davidson Electra Glide Classic Touring 1983
Harley Davidson Electra Glide Classic Touring 1986
Harley Davidson Electra Glide Classic Touring 1987
Harley Davidson Electra Glide Classic Touring 1988
Harley Davidson Electra Glide Classic Touring 1989
Harley Davidson Electra Glide Classic Touring 1990
Harley Davidson Electra Glide Classic Touring 1991
Harley Davidson Electra Glide Ultra Classic Touring 1989
Harley Davidson Electra Glide Ultra Classic Touring 1990
Harley Davidson Electra Glide Ultra Classic Touring 1991
Harley Davidson Electra Glide Ultra Classic Touring 1992
Harley Davidson Electra Glide Ultra Classic Touring 1995
Harley Davidson Electra Glide Ultra Classic Special Anniversary Edition Touring 1995
Harley Davidson Electra Glide Classic Touring 1984
Harley Davidson Tour Glide Classic Touring 1984
Harley Davidson Tour Glide Classic Touring 1985
Harley Davidson Tour Glide Classic Touring 1986
Harley Davidson Tour Glide Classic Touring 1987
Harley Davidson Tour Glide Classic Touring 1988
Harley Davidson Tour Glide Classic Touring 1989
Harley Davidson Tour Glide Classic Touring 1990
Harley Davidson Tour Glide Ultra Classic Touring 1989
Harley Davidson Tour Glide Ultra Classic Touring 1990
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 Screamin Eagle CVO 2000
Harley Davidson Dyna Glide Sturgis Dyna 1991
Harley Davidson Big Twin 1984
Harley Davidson Dyna Low Rider Dyna 1995
Harley Davidson Dyna Super Glide Convertible Dyna 1994
Harley Davidson Dyna Super Glide Convertible Dyna 1995
Harley Davidson Super Glide Big Twin 1984
Harley Davidson Fat Bob Big Twin 1985
Harley Davidson Fat Bob Big Twin 1986
Harley Davidson Low Rider Custom FXR 1987
Harley Davidson Low Rider Custom FXR 1988
Harley Davidson Low Rider Custom FXR 1989
Harley Davidson Low Rider Custom FXR 1990
Harley Davidson Low Rider Custom FXR 1991
Harley Davidson Low Rider Custom FXR 1992
Harley Davidson Low Rider Custom FXR 1993
Harley Davidson Low Rider Custom FXR 1994
Harley Davidson Super Glide FXR 1986
Harley Davidson Super Glide FXR 1987
Harley Davidson Super Glide FXR 1988
Harley Davidson Super Glide FXR 1989
Harley Davidson Super Glide FXR 1990
Harley Davidson Super Glide FXR 1991
Harley Davidson Super Glide FXR 1992
Harley Davidson Super Glide FXR 1993
Harley Davidson Super Glide FXR 1994
Harley Davidson Super Glide II FXR 1984
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 2000
Harley Davidson Low Glide Custom FXR 1985
Harley Davidson Disc Glide FXR 1986
Harley Davidson Disc Glide Big Twin 1984
Harley Davidson Disc Glide Big Twin 1985
Harley Davidson Sport Glide Police Police 1984
Harley Davidson Low Glide FXR 1984
Harley Davidson Low Glide FXR 1985
Harley Davidson Low Rider FXR 1986
Harley Davidson Low Rider FXR 1987
Harley Davidson Low Rider FXR 1988
Harley Davidson Low Rider FXR 1989
Harley Davidson Low Rider FXR 1990
Harley Davidson Low Rider FXR 1991
Harley Davidson Low Rider FXR 1992
Harley Davidson Low Rider Convertible FXR 1989
Harley Davidson Low Rider Convertible FXR 1990
Harley Davidson Low Rider Convertible FXR 1991
Harley Davidson Low Rider Convertible FXR 1992
Harley Davidson Low Rider Convertible FXR 1993
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1987
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1988
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1989
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1990
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1991
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1992
Harley Davidson Low Rider Sport Edition (Fxrsl) FXR 1993
Harley Davidson Sport Glide FXR 1984
Harley Davidson Sport Glide FXR 1985
Harley Davidson Sport Glide FXR 1986
Harley Davidson Sport Glide FXR 1987
Harley Davidson Sport Glide FXR 1988
Harley Davidson Sport Glide FXR 1989
Harley Davidson Sport Glide FXR 1990
Harley Davidson Sport Glide FXR 1991
Harley Davidson Sport Glide FXR 1992
Harley Davidson Low Rider Big Twin 1984
Harley Davidson Low Rider Big Twin 1985
Harley Davidson Softail Softail 1985
Harley Davidson Softail Softail 1986
Harley Davidson Softail Softail 1988
Harley Davidson Softail Softail 1989
Harley Davidson Softail Night Train Softail 1998
Harley Davidson Softail Custom Softail 1986
Harley Davidson Softail Custom Softail 1987
Harley Davidson Softail Custom Softail 1989
Harley Davidson Softail Custom Softail 1993
Harley Davidson Softail Deuce Screamin Eagle CVO 2004
Harley Davidson Softail Springer Softail 1988
Harley Davidson Softail Springer Softail 1989
Harley Davidson Softail Springer Softail 1991
Harley Davidson Wide Glide Big Twin 1984
Harley Davidson Wide Glide Big Twin 1985
Harley Davidson Wide Glide Big Twin 1986