Description
S&S Bolt-In Sidewinder 4″ Big Bore Kit for 99-17 Big Twin Models
- 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
- 88″ engines are boosted to 100″
- 96″ and 103″ engines are boosted 110″
- 10.5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams
- Complete kit includes cylinders, forged pistons, rings, piston pins, clips and gaskets
- Not for use with S&S 79cc heads.
More engine performance parts HERE.
NOTE: Not for use on Twin Cooled models.
NOTE: Not recommended for trike models.
Complete kits include:
- cylinders
- forged pistons
- rings
- piston pins
- clips
- gaskets
https://youtu.be/71eaBfVxPoI99-06 Fits:
| 2006 | Harley-Davidson | Screamin’ Eagle Electra Glide Ultra Classic FLHTCUSE | – | – |
| 2006 | Harley-Davidson | Screamin’ Eagle Fat Boy FLSTFSE2 | – | – |
| 2006 | Harley-Davidson | Super Glide FXD35 | – | – |
| 2006 | Harley-Davidson | Street Glide FLHX | – | – |
| 2006 | Harley-Davidson | Street Bob FXDB | – | – |
| 2006 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2006 | Harley-Davidson | Softail Heritage FLST | – | – |
| 2006 | Harley-Davidson | Softail Heritage EFI FLSTI | – | – |
| 2005-2006 | Harley-Davidson | Softail Deluxe FLSTN | – | – |
| 2005-2006 | Harley-Davidson | Softail Springer Classic FLSTSC | – | – |
| 2005-2006 | Harley-Davidson | Softail Deluxe EFI FLSTNI | – | – |
| 2005-2006 | Harley-Davidson | Softail Springer Classic EFI FLSTSCI | – | – |
| 2005-2006 | Harley-Davidson | Super Glide Custom EFI FXDCI | – | – |
| 2005 | Harley-Davidson | Screamin’ Eagle Electra Glide FLHTCSE2 | – | – |
| 2005 | Harley-Davidson | Screamin’ Eagle Fat Boy FLSTFSE | – | – |
| 2005 | Harley-Davidson | Super Glide Custom FXDC | – | – |
| 2005 | Harley-Davidson | 15th Anniversary Fat Boy FLSTF | – | – |
| 2004-2006 | Harley-Davidson | Road King Custom EFI FLHRS | – | – |
| 2004-2006 | Harley-Davidson | Low Rider EFI FXDL | – | – |
| 2004-2006 | Harley-Davidson | Super Glide EFI FXDI | – | – |
| 2004-2006 | Harley-Davidson | Road King Custom FLHRS | – | – |
| 2004-2005 | Harley-Davidson | Super Glide Sport EFI FXDXI | – | – |
| 2004 | Harley-Davidson | Screamin’ Eagle Deuce FXSTDSE2 | – | – |
| 2004 | Harley-Davidson | Screamin’ Eagle Electra Glide FLHTCSE | – | – |
| 2003 | Harley-Davidson | Screamin’ Eagle Road King FLHRSE-I2 | – | – |
| 2003 | Harley-Davidson | Screamin’ Eagle Deuce FXSTDSE | – | – |
| 2002-2006 | Harley-Davidson | Softail Fat Boy EFI FLSTFI | – | – |
| 2002 | Harley-Davidson | Screamin’ Eagle Road King FLHRSE-I | – | – |
| 2002 | Harley-Davidson | Wide Glide FXDWG3 | – | – |
| 2001-2006 | Harley-Davidson | Softail Deuce EFI FXSTDI | – | – |
| 2001-2006 | Harley-Davidson | Softail Night Train EFI FXSTBI | – | – |
| 2001-2006 | Harley-Davidson | Softail Standard EFI FXSTI | – | – |
| 2001-2006 | Harley-Davidson | Softail Springer EFI FXSTSI | – | – |
| 2001-2006 | Harley-Davidson | Softail Heritage Classic EFI FLSTCI | – | – |
| 2001-2003 | Harley-Davidson | Super Glide T-Sport FXDXT | – | – |
| 2001-2003 | Harley-Davidson | Softail Heritage Springer EFI FLSTSI | – | – |
| 2001 | Harley-Davidson | Screamin’ Eagle Road Glide FLTRSE-I2 | – | – |
| 2001 | Harley-Davidson | Wide Glide FXDWG2 | – | – |
| 2000-2006 | Harley-Davidson | Softail Deuce FXSTD | – | – |
| 2000-2006 | Harley-Davidson | Electra Glide Standard EFI FLHTI | – | – |
| 2000-2006 | Harley-Davidson | Wide Glide EFI FXDWGI | – | – |
| 2000 | Harley-Davidson | Screamin’ Eagle Road Glide FLTRSE-I | – | – |
| 1999-2006 | Harley-Davidson | Road King EFI FLHR | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Police FLHTP | – | – |
| 1999-2006 | Harley-Davidson | Road King Classic EFI FLHRC | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Classic FLHTC | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | – | – |
| 1999-2006 | Harley-Davidson | Road Glide EFI FLTR | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | – | – |
| 1999-2006 | Harley-Davidson | Road King FLHR | – | – |
| 1999-2006 | Harley-Davidson | Road Glide FLTR | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Standard FLHT | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | – | – |
| 1999-2006 | Harley-Davidson | Electra Glide Police FLHTPI | – | – |
| 1999-2006 | Harley-Davidson | Softail Standard FXST | – | – |
| 1999-2006 | Harley-Davidson | Low Rider FXDL | – | – |
| 1999-2006 | Harley-Davidson | Wide Glide FXDWG | – | – |
| 1999-2006 | Harley-Davidson | Softail Springer FXSTS | – | – |
| 1999-2006 | Harley-Davidson | Super Glide FXD | – | – |
| 1999-2006 | Harley-Davidson | Softail Night Train FXSTB | – | – |
| 1999-2006 | Harley-Davidson | Softail Heritage Classic FLSTC | – | – |
| 1999-2006 | Harley-Davidson | Softail Fat Boy FLSTF | – | – |
| 1999-2005 | Harley-Davidson | Super Glide Sport FXDX | – | – |
| 1999-2003 | Harley-Davidson | Softail Heritage Springer FLSTS | – | – |
| 1999-2000 | Harley-Davidson | Dyna Convertible FXDS-CONV | – | – |
| 1999 | Harley-Davidson | Softail Custom FXSTC |
07-17 Fits:
| 2016-2017 | Harley-Davidson | Low Rider S FXDLS | – | – |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS | – | – |
| 2016-2017 | Harley-Davidson | Fat Boy S FLSTFBS | – | – |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL | – | – |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | – | – |
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | – | – |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | – | – |
| 2013-2017 | Harley-Davidson | Breakout FXSB | – | – |
| 2012-2017 | Harley-Davidson | Softail Slim FLS | – | – |
| 2012-2016 | Harley-Davidson | Switchback FLD | – | – |
| 2011-2013, 2016 | Harley-Davidson | Road Glide Ultra FLTRU | – | – |
| 2011-2013 | Harley-Davidson | Blackline FXS | – | – |
| 2010-2016 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | – | – |
| 2010-2016 | Harley-Davidson | Fat Boy Lo FLSTFB | – | – |
| 2010-2013, 2015-2016 | Harley-Davidson | Road Glide Custom FLTRX | – | – |
| 2008-2017 | Harley-Davidson | Fat Bob FXDF | – | – |
| 2008-2011 | Harley-Davidson | Softail Rocker C FXCWC | – | – |
| 2008-2011 | Harley-Davidson | Softail Cross Bones FLSTSB | – | – |
| 2008-2009 | Harley-Davidson | Softail Rocker FXCW | – | – |
| 2007-2017 | Harley-Davidson | Street Bob FXDB | – | – |
| 2007-2017 | Harley-Davidson | Softail Fat Boy EFI FLSTFI | – | – |
| 2007-2017 | Harley-Davidson | Softail Heritage Classic EFI FLSTCI | – | – |
| 2007-2017 | Harley-Davidson | Softail Deluxe EFI FLSTNI | – | – |
| 2007-2016 | Harley-Davidson | Street Glide EFI FLHX | – | – |
| 2007-2016 | Harley-Davidson | Road King EFI FLHR | – | – |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | – | – |
| 2007-2014 | Harley-Davidson | Super Glide Custom EFI FXDCI | – | – |
| 2007-2013 | Harley-Davidson | Road King Classic EFI FLHRC | – | – |
| 2007-2013 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | – | – |
| 2007-2010 | Harley-Davidson | Softail Custom EFI FXSTC | – | – |
| 2007-2010 | Harley-Davidson | Super Glide EFI FXDI | – | – |
| 2007-2009, 2014-2017 | Harley-Davidson | Low Rider EFI FXDL | – | – |
| 2007-2009 | Harley-Davidson | Electra Glide Standard EFI FLHTI | – | – |
| 2007-2009 | Harley-Davidson | Softail Night Train EFI FXSTBI | – | – |
| 2007-2009 | Harley-Davidson | Road Glide EFI FLTR | – | – |
| 2007-2008, 2010-2017 | Harley-Davidson | Wide Glide EFI FXDWGI | – | – |
| 2007 | Harley-Davidson | Softail Springer Classic EFI FLSTSCI | – | – |
| 2007 | Harley-Davidson | Road King Custom EFI FLHRS | – | – |
| 2007 | Harley-Davidson | Softail Deuce EFI FXSTDI | – | – |
| 2007 | Harley-Davidson | Softail Standard EFI FXSTI |
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