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S&S High Performance Valve Spring Kit with Steel Top Collars for Harley Davidson 1986-2003 Sportster models, 1984-2004 Big Twin models

by S and S Cycle
S&S High Performance Valve Spring Kit with Steel Top Collars for Harley Davidson 1986-2003 Sportster models, 1984-2004 Big Twin models

Item Description

S&S High Performance Valve Spring Kit with Steel Top Collars for Harley Davidson 1986-2003 Sportster models, 1984-2004 Big Twin models

Bike Fitments
1984-1985 Harley Davidson FLH Electra Glide
1994-2004 Harley Davidson FLHR Road King
1998-2004 Harley Davidson FLHRCI Road King Classic
1996-2004 Harley Davidson FLHRI Road King
2004 Harley Davidson FLHRS Road King Custom
2004 Harley Davidson FLHRSI Road King Custom
1988-1983 Harley Davidson FLHS Electra Glide Sport
1986-2004 Harley Davidson FLHT Electra Glide Standard
1984-2004 Harley Davidson FLHTC Electra Glide Classic
1996-2004 Harley Davidson FLHTCI Electra Glide Classic
1989-1997 Harley Davidson FLHTCU Electra Glide Ultra Classic
1995-2004 Harley Davidson FLHTCUI Electra Glide Ultra Classic
2003-2004 Harley Davidson FLHTI Electra Glide Standard
1985 Harley Davidson FLHX Electra Glide Special
1986-1990 Harley Davidson FLST Heritage Softail
1989-2004 Harley Davidson FLSTC Heritage Softail Classic
2001-2004 Harley Davidson FLSTCI Heritage Softail Classic
1990-2004 Harley Davidson FLSTF Fat Boy
2001-2004 Harley Davidson FLSTFI Fat Boy
1993 Harley Davidson FLSTN Heritage Softail Nostalgia
1994-1996 Harley Davidson FLSTN Heritage Softail Special
1997-2003 Harley Davidson FLSTS Heritage Springer
2001-2003 Harley Davidson FLSTSI Heritage Springer
1984-1991 Harley Davidson FLTC Tour Glide Classic
1989-1993 Harley Davidson FLTCU Tour Glide Ultra Classic
1998-2002 Harley Davidson FLTR Road Glide
1998-2004 Harley Davidson FLTRI Road Glide
1995-2004 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
2004 Harley Davidson FXDI Dyna Super Glide
1993-2004 Harley Davidson FXDL Dyna Low Rider
2004 Harley Davidson FXDLI Dyna Low Rider
1995-2000 Harley Davidson FXDS-Conv Dyna Convertible
1993-2004 Harley Davidson FXDWG Dyna Wide Glide
2004 Harley Davidson FXDWGI Dyna Wide Glide
2001 Harley Davidson FXDWG2
2002 Harley Davidson FXDWG3
1999-2004 Harley Davidson FXDX Dyna Super Glide Sport
2004 Harley Davidson FXDXI Dyna Super Glide Sport
2001-2003 Harley Davidson FXDXT Dyna Super Glide T-Sport
1984 Harley Davidson FXE Super Glide
1985 Harley Davidson FXEF Fat Bob
1987-1994 Harley Davidson FXLR Low Rider Custom
1986-1994 Harley Davidson FXR Super Glide II
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
1999 Harley Davidson FXR2
1999 Harley Davidson FXR3
2000 Harley Davidson FXR4
1984-1985 Harley Davidson FXSB Low Rider - Belt
1984-2004 Harley Davidson FXST Softail Standard
1999-2004 Harley Davidson FXSTB Night Train
2001-2004 Harley Davidson FXSTBI Night Train
1986-1999 Harley Davidson FXSTC Softail Custom
2000-2004 Harley Davidson FXSTD Softail Deuce
2001-2004 Harley Davidson FXSTDI Softail Deuce
2001 Harley Davidson FXSTI Softail Standard
1988-2004 Harley Davidson FXSTS Springer Softail
1995-1997 Harley Davidson FXSTSB Bad Boy
2001-2004 Harley Davidson FXSTSI Springer Softail
1984-1986 Harley Davidson FXWG Wide Glide

Item Details

  • Manufacturer Part No. : 90-2077
  • .640in. lift triple valve spring kit
  • Designed to simplify high-lift cam installation and reduce the risk of valve float
  • Eliminates most of the complicated procedures and specialized tools required to prepare cylinder heads for high lift cams
  • While confirming critical clearances remains the responsibility of the engine builder, most street cams for Evolution or Twin Cam 88 engines will require no additional modification of the cylinder head
  • Detailed instructions included
  • Includes 4 top collars, 4 bottom collars, 4 each outer, middle and inner springs, 8 shims (4 each .015in. , 4 each .030in.), and 8 keepers
  • Use with shoulderless-style valve guides. Special keepers included fit valves with stock 5/16in. stems and S&S collars only. Spring seat pressure is typically 170 lbs. at stock 1.800in. installed height. Open pressure is 390 lbs. at .560in. lift, 415 lbs. at .630in. lift
  • Patented steel top collars are drilled for lightness and to increase cooling oil flow over valve springs. Kits are available with low mass titanium top collars for very high performance applications
  • Fits 84-04 Big Twin; 86-03 Sportster

Manufacturers Part Number

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