S&S Cycle 84-99 BT Forged 3 5/8in Bore .020in Piston Kits

These forged, 3-5/8" big bore flat topped pistons are used in S&S® Sidewinder® kits and Hot Set Up Kits® for HD® Evolution® big twins with stock cylinder heads and 4-1/4" and 4-1/2"stroke engines with stock diameter (8-1/2") flywheels and 4-3/4" stroke engines with 8-1/4" diameter flywheels. 3-5/8" bore.

This Part Fits:

Year	Make	Model	Submodel
1997-1999	Harley-Davidson	FLHR Road King	Base
1998-1999	Harley-Davidson	FLHRCI Road King Classic	Base
1996-1997	Harley-Davidson	FLHRI Road King	Base
1984,1987-1993	Harley-Davidson	FLHS Electra Glide Sport	Base
1996-1999	Harley-Davidson	FLHTCI Electra Glide Classic	Base
1989-1997	Harley-Davidson	FLHTCU Electra Glide Ultra Classic	Base
1986-1990	Harley-Davidson	FLST Heritage Softail	Base
1988-1999	Harley-Davidson	FLSTC Heritage Softail Classic	Base
1990-1999	Harley-Davidson	FLSTF Fat Boy	Base
1994-1996	Harley-Davidson	FLSTN Heritage Softail Special	Base
1998-1999	Harley-Davidson	FLTR Road Glide	Base
1998-1999	Harley-Davidson	FLTRI Road Glide	Base
1995-1999	Harley-Davidson	FXD Dyna Super Glide	Base
1993-1999	Harley-Davidson	FXDL Dyna Low Rider	Base
1993-1999	Harley-Davidson	FXDWG Dyna Wide Glide	Base
1987-1994	Harley-Davidson	FXLR Low Rider Custom	Base
1999	Harley-Davidson	FXR2	Base
1999	Harley-Davidson	FXR3	Base
1984-1992	Harley-Davidson	FXRS Low Glide	Base
1984-1992	Harley-Davidson	FXRT Sport Glide	Base
1986-1999	Harley-Davidson	FXSTC Softail Custom	Base
1988-1999	Harley-Davidson	FXSTS Springer Softail	Base
1995-1997	Harley-Davidson	FXSTSB Bad Boy	Base
1984-1986	Harley-Davidson	FXWG Wide Glide	Base