S&S Cycle 910-0642 Bolt-In Sidewinder 4in. Big Bore Kit - 100in. - Silver

Bolt in - no machining, balancing, or splitting the crankcases; install can be performed with engine still in frame. Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer. 88in. engines are boosted to 100in. 96in. and 103in. engines are boosted to 110in. 10.5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams. Complete kits include cylinders, forged pistons, rings, piston pins, clips and gaskets. Available with wrinkle black or silver powdercoat finish cylinders. NOTE: Not for use with S&S 79cc heads..

Vehicle Fitment:

1999-2006 Harley Davidson FLHR Road King
1999-2006 Harley Davidson FLHRCI Road King Classic
2000-2006 Harley Davidson FLHRI Road King
2004-2006 Harley Davidson FLHRS Road King Custom
2004-2006 Harley Davidson FLHRSI Road King Custom
1999-2006 Harley Davidson FLHT Electra Glide Standard
1999-2005 Harley Davidson FLHTC Electra Glide Classic
1999-2006 Harley Davidson FLHTCI Electra Glide Classic
1999-2006 Harley Davidson FLHTCUI Electra Glide Ultra Classic
2003-2006 Harley Davidson FLHTI Electra Glide Standard
2006 Harley Davidson FLST Heritage Softail
1999-2006 Harley Davidson FLSTC Heritage Softail Classic
2001-2006 Harley Davidson FLSTCI Heritage Softail Classic
1999-2006 Harley Davidson FLSTF Fat Boy
2001-2006 Harley Davidson FLSTFI Fat Boy
2006 Harley Davidson FLSTI Heritage Softail
2005-2006 Harley Davidson FLSTN Softail Deluxe
2005-2006 Harley Davidson FLSTNI Softail Deluxe
1999-2003 Harley Davidson FLSTS Heritage Springer
2005-2006 Harley Davidson FLSTSC Softail Springer Classic
2005-2006 Harley Davidson FLSTSCI Softail Springer Classic
2001-2003 Harley Davidson FLSTSI Heritage Springer
1999-2002 Harley Davidson FLTR Road Glide
1999-2006 Harley Davidson FLTRI Road Glide
1999-2005 Harley Davidson FXD Dyna Super Glide
2005 Harley Davidson FXDC Super Glide Custom
2005 Harley Davidson FXDCI Super Glide Custom
2004-2005 Harley Davidson FXDI Dyna Super Glide
1999-2005 Harley Davidson FXDL Dyna Low Rider
2004-2005 Harley Davidson FXDLI Dyna Low Rider
1999-2000 Harley Davidson FXDS-Conv Dyna Convertible
1999-2005 Harley Davidson FXDWG Dyna Wide Glide
2001 Harley Davidson FXDWG2
2002 Harley Davidson FXDWG3
2004-2005 Harley Davidson FXDWGI Dyna Wide Glide
1999-2005 Harley Davidson FXDX Dyna Super Glide Sport
2004-2005 Harley Davidson FXDXI Dyna Super Glide Sport
2001-2003 Harley Davidson FXDXT Dyna Super Glide T-Sport
1999-2006 Harley Davidson FXST Softail Standard
1999-2006 Harley Davidson FXSTB Night Train
2001-2006 Harley Davidson FXSTBI Night Train
1999 Harley Davidson FXSTC Softail Custom
2000-2006 Harley Davidson FXSTD Softail Deuce
2001-2006 Harley Davidson FXSTDI Softail Deuce
2001-2006 Harley Davidson FXSTI Softail Standard
1999-2006 Harley Davidson FXSTS Springer Softail
2001-2006 Harley Davidson FXSTSI Springer Softail