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S&S Super Stock Black Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin with 3.5 in. bore

by S and S Cycle
S&S Super Stock Black Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin with 3.5 in. bore
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Item Description

S&S Super Stock Black Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin with 3.5 in. bore

High flowing ports and a specially shaped combustion chamber and contoured piston dome are what make these heads produce power. The increased "squish" area of this design sets up a controlled turbulence in the combustion chamber. That turbulence improves flame travel for a more efficient burn and reduced detonation. Special Super Stock pistons are required.

Bike Fitments
1994-1998 Harley Davidson FLHR Road King
1998 Harley Davidson FLHRCI Road King Classic
1996-1997 Harley Davidson FLHRI Road King
1986-1998 Harley Davidson FLHT Electra Glide Standard
1984-1998 Harley Davidson FLHTC Electra Glide Classic
1996-1998 Harley Davidson FLHTCI Electra Glide Classic
1989-1997 Harley Davidson FLHTCU Electra Glide Ultra Classic
1995-1998 Harley Davidson FLHTCUI Electra Glide Ultra Classic
1986-1990 Harley Davidson FLST Heritage Softail
1988-1999 Harley Davidson FLSTC Heritage Softail Classic
1990-1999 Harley Davidson FLSTF Fat Boy
1993 Harley Davidson FLSTN Heritage Softail Nostalgia
1994-1996 Harley Davidson FLSTN Heritage Softail Special
1997-1999 Harley Davidson FLSTS Heritage Springer
1984-1991 Harley Davidson FLTC Tour Glide Classic
1989-1995 Harley Davidson FLTCU Tour Glide Ultra Classic
1996 Harley Davidson FLTCUI Tour Glide Ultra Classic
1998 Harley Davidson FLTR Road Glide
1998 Harley Davidson FLTRI Road Glide
1995-1998 Harley Davidson FXD Dyna Super Glide
1992 Harley Davidson FXDB-D Dyna Glide Daytona
1991 Harley Davidson FXDB-S Dyna Glide Sturgis
1992 Harley Davidson FXDC Super Glide Custom
1993-1998 Harley Davidson FXDL Dyna Low Rider
1994-1998 Harley Davidson FXDS-Conv Dyna Convertible
1993-1998 Harley Davidson FXDWG Dyna Wide Glide
1987-1994 Harley Davidson FXLR Low Rider Custom
1986-1994 Harley Davidson FXR Super Glide II
1985-1987 Harley Davidson FXRC Low Rider Chrome
1986 Harley Davidson FXRD Sport Glide Grand Touring
1984 Harley Davidson FXRDG Disc Glide
1984-1992 Harley Davidson FXRS Low Glide
1990-1993 Harley Davidson FXRS-Conv Low Rider Sport Convertible
1986-1993 Harley Davidson FXRS-SP Low Rider Sport
1984-1992 Harley Davidson FXRT Sport Glide
Standard
1984-1999 Harley Davidson FXST Softail Standard
1999 Harley Davidson FXSTB Night Train
1986-1999 Harley Davidson FXSTC Softail Custom
1988-1999 Harley Davidson FXSTS Springer Softail
1995-1997 Harley Davidson FXSTSB Bad Boy
1985-1986 Harley Davidson FXWG Wide Glide
Country Of Origin: Imported

Item Details

  • Complete head assembly with valves and S&S .640in. lift springs
  • Machined with a stock bolt pattern
  • 2.000in. intake valves and 1.605in. exhaust valves
  • Special ’cast shape’ intake ports with a special directional fin for improved air flow
  • Precision CNC machined from heat-treated aircraft quality aluminum castings
  • Chamber size 76.5cc
  • Larger, more open combustion chamber presents less resistance to air flow around the valves
  • Fits 1984-1999 Evolution Big Twin with 3.5 in. bore
  • Manufacturer Part No.: 90-1504

Manufacturers Part Number

90-1504
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