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S&S Cycle Low Compression 82cc Cylinder Heads - Stock Bore - Black Powdercoated Finish - 90-1221

90-1221

Description

Optimized for smaller displacement engines
Chamber designed for stock style flat topped pistons
Slight increase in compression (8.8:1 in an 80in. motor)
Port design increases flow, while maintaining velocity
Set up for .640 maximum lift
EFI compatible

Product Series

Application List

YearsMakeModelNotes
1996 - 1997Harley DavidsonFLHRI Road King
1985 - 1985Harley DavidsonFLHX Electra Glide Special
1996 - 1998Harley DavidsonFLHTCI Electra Glide Classic
1994 - 1998Harley DavidsonFLHR Road King
1998 - 1998Harley DavidsonFLHRCI Road King Classic
1997 - 1999Harley DavidsonFLSTS Heritage Springer
1985 - 1985Harley DavidsonFLH Electra Glide
1986 - 1990Harley DavidsonFLST Heritage Softail
1992 - 1992Harley DavidsonFXDB-D Dyna Glide Daytona
1988 - 1999Harley DavidsonFLSTC Heritage Softail Classic
1990 - 1999Harley DavidsonFLSTF Fat Boy
1984 - 1998Harley DavidsonFLHTC Electra Glide Classic
1995 - 1998Harley DavidsonFLHTCUI Electra Glide Ultra Classic
1994 - 1998Harley DavidsonFXDS-Conv Dyna Convertible
1987 - 1993Harley DavidsonFLHS Electra Glide Sport
1989 - 1995Harley DavidsonFLTCU Tour Glide Ultra Classic
1984 - 1984Harley DavidsonFXRDG Disc Glide
1996 - 1996Harley DavidsonFLTCUI Tour Glide Ultra Classic
1998 - 1998Harley DavidsonFLTR Road Glide
1985 - 1987Harley DavidsonFXRC Low Rider Chrome
1994 - 1996Harley DavidsonFLSTN Heritage Softail Special
1984 - 1992Harley DavidsonFXRT Sport Glide
1986 - 1998Harley DavidsonFLHT Electra Glide Standard
1995 - 1998Harley DavidsonFXD Dyna Super Glide
1985 - 1985Harley DavidsonFXSB Low Rider - Belt
1998 - 1998Harley DavidsonFLTRI Road Glide
1991 - 1991Harley DavidsonFXDB-S Dyna Glide Sturgis
1986 - 1986Harley DavidsonFXRD Sport Glide Grand Touring
1992 - 1992Harley DavidsonFXDC Super Glide Custom
1987 - 1994Harley DavidsonFXLR Low Rider Custom
1989 - 1997Harley DavidsonFLHTCU Electra Glide Ultra Classic
1986 - 1993Harley DavidsonFXRS-SP Low Rider Sport
1984 - 1999Harley DavidsonFXST Softail Standard
1999 - 1999Harley DavidsonFXSTB Night Train
1993 - 1998Harley DavidsonFXDL Dyna Low Rider
1985 - 1986Harley DavidsonFXWG Wide Glide
1993 - 1998Harley DavidsonFXDWG Dyna Wide Glide
1993 - 1993Harley DavidsonFLSTN Heritage Softail Nostalgia
1988 - 1999Harley DavidsonFXSTS Springer Softail
1995 - 1997Harley DavidsonFXSTSB Bad Boy
1985 - 1985Harley DavidsonFXEF Fat Bob
1984 - 1991Harley DavidsonFLTC Tour Glide Classic
1986 - 1994Harley DavidsonFXR Super Glide II
1984 - 1992Harley DavidsonFXRS Low Glide
1990 - 1993Harley DavidsonFXRS-Conv Low Rider Sport Convertible
1986 - 1999Harley DavidsonFXSTC Softail Custom

Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W6.0000” x H10.0000” x L4.0000”
  • Free Ground Shipping (1 - 5 Days)