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S&S Cycle

S&S Cycle 70-84 BT 4-1/4in Stroke Flywheel Assembly

Regular price $1,595.95
Regular price Sale price $1,595.95
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This 4-1/4" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® 80" SH80 engines with alternator style crankcases for 1970-'84 HD® big twins.

  • Flywheels are CNC machined from heat-treated, closed die, steel forgings, and are stronger than cast iron or late style steel flywheels
  • Dynamically balanced and fully assembled with premium quaility S&S® mainshafts and heavy duty 7.440" connecting rods
  • May also be used in 88" engines with 3-5/8" bore cylinders

This Part Fits:

Year Make Model Submodel
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1982-1984 Harley-Davidson FXRS Low Glide Base
1983-1984 Harley-Davidson FXRT Sport Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1984 Harley-Davidson FXSB Low Rider - Belt Base
1984 Harley-Davidson FXST Softail Standard Base
1980-1984 Harley-Davidson FXWG Wide Glide Base