Description
Features
- Fits '84-'99 Harley-Davidson® big twin chasis and custom frames designed for Evolution® big twin engines
- +30% increase in HP and torque over stock
- Short stroke for less vibration and longer engine life
- Shorter than stock engine height for easy installation
- Does not include carb or ignition; use stock or aftermarket carburetor and air cleaner
- S&S big-fin cylinders with more fin area and exclusive oil jets to cool bottom of the pistons
- High volume, high-pressure (HVHP) oil pump
- Durable S&S 3-pc. flywheels
- Performance 585 cam & valve springs
- 4-1/8" x 4-1/8" bore and stroke
- 9.8:1 compression ratio
- Made in the USA
| Position | Notes | |||
|---|---|---|---|---|
| 1987-1993 | Harley-Davidson | FLHS Electra Glide Sport | - | - |
| 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1999 | Harley-Davidson | FXST Softail Standard | - | - |
| 1987-1994 | Harley-Davidson | FXLR Low Rider Custom | - | - |
| 1989-1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | - | - |
| 1984-1992 | Harley-Davidson | FXRT Sport Glide | - | - |
| 1984-1993 | Harley-Davidson | FLTC Tour Glide Classic | - | - |
| 1984-1998 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1986, 1987, 1995, 1996, 1997, 1998 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 1988-1993 | Harley-Davidson | FXRS-SP Low Rider Sport | - | - |
| 1990-1993 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible | - | - |
| 1993-1998 | Harley-Davidson | FXDL Dyna Low Rider | - | - |
| 1994-1998 | Harley-Davidson | FLHR Road King | - | - |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | - | - |
| 1988-1999 | Harley-Davidson | FLSTC Heritage Softail Classic | - | - |
| 1990-1999 | Harley-Davidson | FLSTF Fat Boy | - | - |
| 1986-1999 | Harley-Davidson | FXSTC Softail Custom | - | - |
| 1988-1999 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 1995-1997 | Harley-Davidson | FXSTSB Bad Boy | - | - |
| 1989, 1990, 1993 | Harley-Davidson | Low Rider FXRS | - | - |
| 1984, 1985, 1986, 1987, 1988, 1991, 1992 | Harley-Davidson | FXRS Low Glide | - | - |
| 1992 | Harley-Davidson | FXDC Super Glide Custom | - | - |
| 1989-1995 | Harley-Davidson | FLTCU Tour Glide Ultra Classic | - | - |
| 1986-1994 | Harley-Davidson | FXR Super Glide II | - | - |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | - | - |
| 1997-1999 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 1985 | Harley-Davidson | FXEF Fat Bob | - | - |
| 1995-1998 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1993-1998 | Harley-Davidson | FXDWG Dyna Wide Glide | - | - |
| 1993 | Harley-Davidson | FLSTN Heritage Softail Nostalgia | - | - |
| 1994-1996 | Harley-Davidson | FLSTN Heritage Softail Special | - | - |
| 1992 | Harley-Davidson | FXDB-D Dyna Glide Daytona | - | - |
| 1985, 1987 | Harley-Davidson | FXRC Low Rider Chrome | - | - |
| 1985 | Harley-Davidson | Electra Glide Standard FLHT | - | - |
| 1995-1998 | Harley-Davidson | FXDS-Conv Dyna Convertible | - | - |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU | - | - |
| 1999 | Harley-Davidson | FXR2 | - | - |
| 1999 | Harley-Davidson | FXSTB Night Train | - | - |
| 1993 | Harley-Davidson | Sport Glide FXRT | - | - |
| 1985-1986 | Harley-Davidson | FXWG Wide Glide | - | - |
| 1999 | Harley-Davidson | FXR3 | - | - |
| 1984 | Harley-Davidson | FXRDG Disc Glide | - | - |
| 1985 | Harley-Davidson | FXSB Low Rider - Belt | - | - |
| 1998 | Harley-Davidson | FLTR Road Glide | - | - |
| 1994 | Harley-Davidson | Tour Glide Classic FLTC | - | - |
| 1987 | Harley-Davidson | Softail Heritage Classic FLSTC | - | - |
