S&S Cycle 84-99 BT 520 Camshaft

A replacement part for S&S emissions certified engines, this is a short duration emissions cam with very little overlap to reduce emissions of unburned hydrocarbons. Requires high lift springs and normal clearance checks. 1000-4500 rpm (80"-96").

The S&S Cycle SSC33-5073 camshaft is designed specifically for 1990 Harley Davidson models, including the Electra Glide, Heritage Softail, Fat Boy, Low Rider, and Softail series. This high-performance, short duration emissions cam aims to optimize engine efficiency while meeting emissions regulations by reducing unburned hydrocarbons through minimal valve overlap. Crafted for engines with emissions certification, this camshaft requires high lift springs and proper clearance checks to ensure optimal operation and longevity. Its installation can significantly improve throttle response and overall engine performance within the 1000-4500 rpm (80-96 horsepower) range, making it ideal for riders seeking a balance between power and emissions compliance. This part is not C.A.R.B. approved, but it is suitable for use in emissions-conscious builds where such approval is not mandatory. The cam's compact design and precise engineering allow for straightforward installation in compatible Harley Davidson engines, providing a reliable upgrade for custom and stock applications alike. Trust S&S Cycle’s reputation for quality and performance with this durable, precision-machined camshaft tailored for Harley Davidson enthusiasts who want to enhance their motorcycle's performance while maintaining emissions standards. Proper installation with high lift springs and clearance checks is essential to achieve the best results and ensure engine safety and efficiency.

Features:

• Designed for 1990 Harley Davidson models including Electra Glide, Heritage Softail, Fat Boy, and Low Rider

• Short duration camshaft reduces valve overlap to lower unburned hydrocarbon emissions

• Requires high lift springs and clearance checks for proper installation

• Optimizes engine performance within 1000-4500 rpm range

• Not C.A.R.B. approved but suitable for emissions-conscious builds

Fitment:
Harley Davidson FLHR Road King Base 1997
Harley Davidson FLHR Road King Base 1998
Harley Davidson FLHR Road King Base 1999
Harley Davidson FLHRCI Road King Classic Base 1998
Harley Davidson FLHRCI Road King Classic Base 1999
Harley Davidson FLHRI Road King Base 1996
Harley Davidson FLHRI Road King Base 1997
Harley Davidson FLHS Electra Glide Sport Base 1984
Harley Davidson FLHS Electra Glide Sport Base 1987
Harley Davidson FLHS Electra Glide Sport Base 1988
Harley Davidson FLHS Electra Glide Sport Base 1989
Harley Davidson FLHS Electra Glide Sport Base 1990
Harley Davidson FLHS Electra Glide Sport Base 1991
Harley Davidson FLHS Electra Glide Sport Base 1992
Harley Davidson FLHS Electra Glide Sport Base 1993
Harley Davidson FLHTC Electra Glide Classic Base 1984
Harley Davidson FLHTC Electra Glide Classic Base 1985
Harley Davidson FLHTC Electra Glide Classic Base 1986
Harley Davidson FLHTC Electra Glide Classic Base 1987
Harley Davidson FLHTC Electra Glide Classic Base 1988
Harley Davidson FLHTC Electra Glide Classic Base 1989
Harley Davidson FLHTC Electra Glide Classic Base 1990
Harley Davidson FLHTC Electra Glide Classic Base 1991
Harley Davidson FLHTC Electra Glide Classic Base 1992
Harley Davidson FLHTC Electra Glide Classic Base 1993
Harley Davidson FLHTC Electra Glide Classic Base 1994
Harley Davidson FLHTC Electra Glide Classic Base 1995
Harley Davidson FLHTC Electra Glide Classic Base 1996
Harley Davidson FLHTC Electra Glide Classic Base 1997
Harley Davidson FLHTC Electra Glide Classic Base 1998
Harley Davidson FLHTC Electra Glide Classic Base 1999
Harley Davidson FLHTCI Electra Glide Classic Base 1996
Harley Davidson FLHTCI Electra Glide Classic Base 1997
Harley Davidson FLHTCI Electra Glide Classic Base 1998
Harley Davidson FLHTCI Electra Glide Classic Base 1999
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1989
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1990
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1991
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1992
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1993
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1994
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1995
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1996
Harley Davidson FLHTCU Electra Glide Ultra Classic Base 1997
Harley Davidson FLST Heritage Softail Base 1986
Harley Davidson FLST Heritage Softail Base 1987
Harley Davidson FLST Heritage Softail Base 1988
Harley Davidson FLST Heritage Softail Base 1989
Harley Davidson FLST Heritage Softail Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1988
Harley Davidson FLSTC Heritage Softail Classic Base 1989
Harley Davidson FLSTC Heritage Softail Classic Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1991
Harley Davidson FLSTC Heritage Softail Classic Base 1992
Harley Davidson FLSTC Heritage Softail Classic Base 1993
Harley Davidson FLSTC Heritage Softail Classic Base 1994
Harley Davidson FLSTC Heritage Softail Classic Base 1995
Harley Davidson FLSTC Heritage Softail Classic Base 1996
Harley Davidson FLSTC Heritage Softail Classic Base 1997
Harley Davidson FLSTC Heritage Softail Classic Base 1998
Harley Davidson FLSTC Heritage Softail Classic Base 1999
Harley Davidson FLSTF Fat Boy Base 1990
Harley Davidson FLSTF Fat Boy Base 1991
Harley Davidson FLSTF Fat Boy Base 1992
Harley Davidson FLSTF Fat Boy Base 1993
Harley Davidson FLSTF Fat Boy Base 1994
Harley Davidson FLSTF Fat Boy Base 1995
Harley Davidson FLSTF Fat Boy Base 1996
Harley Davidson FLSTF Fat Boy Base 1997
Harley Davidson FLSTF Fat Boy Base 1998
Harley Davidson FLSTF Fat Boy Base 1999
Harley Davidson FLSTN Heritage Softail Special Base 1994
Harley Davidson FLSTN Heritage Softail Special Base 1995
Harley Davidson FLSTN Heritage Softail Special Base 1996
Harley Davidson FLTR Road Glide Base 1998
Harley Davidson FLTR Road Glide Base 1999
Harley Davidson FLTRI Road Glide Base 1998
Harley Davidson FLTRI Road Glide Base 1999
Harley Davidson FXD Dyna Super Glide Base 1995
Harley Davidson FXD Dyna Super Glide Base 1996
Harley Davidson FXD Dyna Super Glide Base 1997
Harley Davidson FXD Dyna Super Glide Base 1998
Harley Davidson FXD Dyna Super Glide Base 1999
Harley Davidson FXDL Dyna Low Rider Base 1993
Harley Davidson FXDL Dyna Low Rider Base 1994
Harley Davidson FXDL Dyna Low Rider Base 1995
Harley Davidson FXDL Dyna Low Rider Base 1996
Harley Davidson FXDL Dyna Low Rider Base 1997
Harley Davidson FXDL Dyna Low Rider Base 1998
Harley Davidson FXDL Dyna Low Rider Base 1999
Harley Davidson FXDWG Dyna Wide Glide Base 1993
Harley Davidson FXDWG Dyna Wide Glide Base 1994
Harley Davidson FXDWG Dyna Wide Glide Base 1995
Harley Davidson FXDWG Dyna Wide Glide Base 1996
Harley Davidson FXDWG Dyna Wide Glide Base 1997
Harley Davidson FXDWG Dyna Wide Glide Base 1998
Harley Davidson FXDWG Dyna Wide Glide Base 1999
Harley Davidson FXDX Dyna Super Glide Sport Base 1999
Harley Davidson FXLR Low Rider Custom Base 1987
Harley Davidson FXLR Low Rider Custom Base 1988
Harley Davidson FXLR Low Rider Custom Base 1989
Harley Davidson FXLR Low Rider Custom Base 1990
Harley Davidson FXLR Low Rider Custom Base 1991
Harley Davidson FXLR Low Rider Custom Base 1992
Harley Davidson FXLR Low Rider Custom Base 1993
Harley Davidson FXLR Low Rider Custom Base 1994
Harley Davidson FXR2 Base 1999
Harley Davidson FXR3 Base 1999
Harley Davidson FXRS Low Glide Base 1984
Harley Davidson FXRS Low Glide Base 1985
Harley Davidson FXRS Low Glide Base 1986
Harley Davidson FXRS Low Glide Base 1987
Harley Davidson FXRS Low Glide Base 1988
Harley Davidson FXRS Low Glide Base 1989
Harley Davidson FXRS Low Glide Base 1990
Harley Davidson FXRS Low Glide Base 1991
Harley Davidson FXRS Low Glide Base 1992
Harley Davidson FXRT Sport Glide Base 1984
Harley Davidson FXRT Sport Glide Base 1985
Harley Davidson FXRT Sport Glide Base 1986
Harley Davidson FXRT Sport Glide Base 1987
Harley Davidson FXRT Sport Glide Base 1988
Harley Davidson FXRT Sport Glide Base 1989
Harley Davidson FXRT Sport Glide Base 1990
Harley Davidson FXRT Sport Glide Base 1991
Harley Davidson FXRT Sport Glide Base 1992
Harley Davidson FXSB Low Rider - Belt Base 1984
Harley Davidson FXSB Low Rider - Belt Base 1985
Harley Davidson FXST Softail Standard Base 1984
Harley Davidson FXST Softail Standard Base 1985
Harley Davidson FXST Softail Standard Base 1986
Harley Davidson FXST Softail Standard Base 1987
Harley Davidson FXST Softail Standard Base 1988
Harley Davidson FXST Softail Standard Base 1989
Harley Davidson FXST Softail Standard Base 1990
Harley Davidson FXST Softail Standard Base 1991
Harley Davidson FXST Softail Standard Base 1992
Harley Davidson FXST Softail Standard Base 1993
Harley Davidson FXST Softail Standard Base 1994
Harley Davidson FXST Softail Standard Base 1995
Harley Davidson FXST Softail Standard Base 1996
Harley Davidson FXST Softail Standard Base 1997
Harley Davidson FXST Softail Standard Base 1998
Harley Davidson FXST Softail Standard Base 1999
Harley Davidson FXSTB Night Train Base 1999
Harley Davidson FXSTC Softail Custom Base 1986
Harley Davidson FXSTC Softail Custom Base 1987
Harley Davidson FXSTC Softail Custom Base 1988
Harley Davidson FXSTC Softail Custom Base 1989
Harley Davidson FXSTC Softail Custom Base 1990
Harley Davidson FXSTC Softail Custom Base 1991
Harley Davidson FXSTC Softail Custom Base 1992
Harley Davidson FXSTC Softail Custom Base 1993
Harley Davidson FXSTC Softail Custom Base 1994
Harley Davidson FXSTC Softail Custom Base 1995
Harley Davidson FXSTC Softail Custom Base 1996
Harley Davidson FXSTC Softail Custom Base 1997
Harley Davidson FXSTC Softail Custom Base 1998
Harley Davidson FXSTC Softail Custom Base 1999
Harley Davidson FXSTS Springer Softail Base 1988
Harley Davidson FXSTS Springer Softail Base 1989
Harley Davidson FXSTS Springer Softail Base 1990
Harley Davidson FXSTS Springer Softail Base 1991
Harley Davidson FXSTS Springer Softail Base 1992
Harley Davidson FXSTS Springer Softail Base 1993
Harley Davidson FXSTS Springer Softail Base 1994
Harley Davidson FXSTS Springer Softail Base 1995
Harley Davidson FXSTS Springer Softail Base 1996
Harley Davidson FXSTS Springer Softail Base 1997
Harley Davidson FXSTS Springer Softail Base 1998
Harley Davidson FXSTS Springer Softail Base 1999
Harley Davidson FXSTSB Bad Boy Base 1995
Harley Davidson FXSTSB Bad Boy Base 1996
Harley Davidson FXSTSB Bad Boy Base 1997
Harley Davidson FXWG Wide Glide Base 1984
Harley Davidson FXWG Wide Glide Base 1985
Harley Davidson FXWG Wide Glide Base 1986