S&S 110" Sidewinder Big Bore Kit

Item Number: 359365

$1178.95
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Product Description

S&S Cycle

S&S 110" Sidewinder Big Bore Kit

S&S 4" big bore cylinder and piston kit boosts Twin Cam 96/103 Harley-Davidson big twin engines to 110" displacement. This kit does not require any machining, rebalancing or engine removal, and includes just about everything you'll need to complete the installation. These are biggest cylinder bore that can be installed in a stock crankcase without machining!

  • Bolt-in kit requires no machining, balancing, or splitting the crankcases
  • Converts Twin Cam 96 and Twin Cam 103 engines to 110 cubic inches of power
  • Complete kit includes cylinders, pistons, gaskets, and instructions
  • Powder coated cylinder finish matches stock finish of your bike
  • Made in the USA

Spec Details
Bore 4 in.
Color Varies (make selection above)
Compression Ratio 10.5:1
Country Of Origin USA
Displacement 110 CI
Engine Type Twin Cam 96/Twin Cam 103
Finish Powder Coated
Material Aluminum
Piston Type Forged
Stroke 4-3/8 in.

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping. Don't waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson

  • FLD Dyna Switchback 2012-2016
  • FLHR Road King 2007-2016
  • FLHRC Road King Classic 2007-2013
  • FLHRS Road King Custom 2007
  • FLHT Electra Glide Standard 2007-2009
  • FLHTC Electra Glide Classic 2007-2013
  • FLHTCU Ultra Classic Electra Glide 2007-2016
  • FLHTCUL Electra Glide Ultra Classic Low 2015-2016
  • FLHTCUTG Tri Glide Ultra Classic 2009-2016
  • FLHTK Electra Glide Ultra Limited 2010-2016
  • FLHTKL Electra Glide Ultra Limited Low 2015-2016
  • FLHX Street Glide 2007-2016
  • FLHXS Street Glide Special 2014-2016
  • FLHXXX Street Glide Trike 2010-2011
  • FLRT Freewheeler 2015-2016
  • FLS Softail Slim 2012-2017
  • FLSS Softail Slim S 2016-2017
  • FLSTC Heritage Softail Classic 2007-2017
  • FLSTF Softail Fat Boy 2007-2017
  • FLSTFB Softail Fat Boy Lo 2010-2016
  • FLSTFBS Softail Fat Boy S 2016-2017
  • FLSTN Softail Deluxe 2007-2017
  • FLSTSB Softail Cross Bones 2008-2011
  • FLSTSC Softail Springer Classic 2007
  • FLTR Road Glide 2007-2009
  • FLTRU Road Glide Ultra 2011-2013, 2016
  • FLTRX Road Glide 2015-2016
  • FLTRX Road Glide Custom 2010-2013
  • FLTRXS Road Glide Special 2015-2016
  • FXCW Softail Rocker 2008-2009
  • FXCWC Softail Rocker C 2008-2011
  • FXD Dyna Super Glide 2007-2010
  • FXDB Dyna Street Bob 2007-2017
  • FXDBC Dyna Street Bob Limited 2016
  • FXDBP Dyna Street Bob 2016
  • FXDC Dyna Super Glide Custom 2007-2014
  • FXDF Dyna Fat Bob 2008-2017
  • FXDL Dyna Low Rider 2007-2009, 2014-2017
  • FXDLS Dyna Low Rider S 2016-2017
  • FXDWG Dyna Wide Glide 2007-2008, 2010-2017
  • FXS Softail Blackline 2011-2013
  • FXSB Softail Breakout 2013-2017
  • FXST Softail Standard 2007
  • FXSTB Softail Night Train 2007-2009
  • FXSTC Softail Custom 2007-2010
  • FXSTD Softail Deuce 2007

Customer Reviews

Questions & Answers

  • Will this kit require a different compensator.

    By: Ray S.

    No, there's no requirement to use a different compensator sprocket in order to fit this kit to any of the machines listed in our fit guide.

    By: Staff