S&S Cycle® 320-0449 - 106" Stock Bore Stroker Kit

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$1,711.95
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Vehicle Fitment

MakeModelYear
Harley DavidsonBlackline 2011-2013
Breakout 2013-2017
Cross Bones 2008-2011
CVO Limited 2014-2017
CVO Pro Street Breakout 2016-2017
CVO Road Glide Ultra 2011, 2015-2016
CVO Road King 2014
CVO Softail Deluxe 2014-2015
CVO Street Glide 2010, 2015-2017
Dyna Low Rider 2007-2009
Dyna Super Glide 2007-2010
Dyna Wide Glide 2006-2008, 2010-2017
Electra Glide Classic 2007-2013
Electra Glide Standard 2007-2009
Electra Glide Ultra Classic 2007-2017
Electra Glide Ultra Classic Low 2015-2016
Electra Glide Ultra Limited 2010-2014
Fat Bob 2008-2017
Fat Boy 2007-2017
Fat Boy Lo 2010-2016
Freewheeler 2015-2017
Heritage Softail Classic 2007-2017
Low Rider 2014-2017
Low Rider S 2016-2017
Night Train 2007-2009
Road Glide 2007-2009, 2015-2017
Road Glide Custom 2010-2013
Road Glide Special 2015-2017
Road Glide Ultra 2011-2013, 2016-2017
Road King 2007-2017
Road King Classic 2007-2013
Road King Custom 2007
Rocker 2008-2009
Rocker C 2008-2011
Screamin Eagle Dyna 2007-2008
Screamin Eagle Road King 2007-2008
Screamin Eagle Ultra Classic Electra Glide 2007-2008
Softail Custom 2007-2010
Softail Deluxe 2007-2017
Softail Deuce 2007
Softail Slim 2012-2017
Softail Slim S 2016-2017
Softail Springer Classic 2007
Softail Standard 2007
Street Bob 2006-2017
Street Glide 2007-2017
Street Glide Special 2014-2017
Street Glide Trike 2010-2011
Super Glide Custom 2007-2014
Switchback 2012-2016
Tri Glide Ultra 2014-2017
Tri Glide Ultra Classic 2009-2013
Ultra Limited 2015-2017
Ultra Limited Low 2015-2017

Product Details

106" Stock Bore Stroker Kit (320-0449) by S&S Cycle®. Vast improvement over stock flywheels, which shift out of true under heavy loads. Heat-treated 4140 material is 114% stronger than stock, eliminates thrust washer. Larger 1.671" crankpin, increased cross-sectional area for increased crank-pin clamping force. No welding required. Integral mainshafts, truer flywheels and less vibration. Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require any special machining, other than fitting the pistons. S&S stroker pistons, which are sold separately. Stock 88" cylinders can be bored from 33/4" bore to 37/8" to accommodate the S&S pistons, or a pre-fit S&S cylinder and piston kit may be installed. .

Notes

  • This kit requires special pistons which must be ordered separately
  • The sprocket shaft of this flywheel assembly comes with the bearing race for stock 2003-up left main bearing pre-installed

Specifications

Stroke: 4-1/2"

Features

  • Made in USA
  • Precise engineering ensures the latest in quality
  • Expertly manufactured from highly reliable materials
  • Rigorous quality control and great functionality

Engines with factory 95" kits require piston fitting for the correct oversize only - stock or S&S cylinder heads can be used. Fuel injected engines will require recalibration of the fuel injection system - the S&S VFI modules and closed loop sensor kits are highly recommended. Since stock cylinders are used the engine height remains stock. This kit is designed to fit 2006 HD® Dyna® models only.

Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.

Brand:
Part Number:
320-0449
Alternate MPN:
3200449

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