- Increased fin area for better heat dissipation
- Increase bore size from 3.750" to 3.927"
- 4 3/8" stroke, 10:1 comp. w/ stock heads
- Easy installation; no machining or rebalancing required
- Forged coated pistons are compatible with stock or S&S Super Stock 79cc and 89cc heads
- Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams
- Maintains stock engine height and stock piston weight
- 11 fins and full fin pattern on cam side of cylinders closely resembles OEM shape
- Kit includes; S&S cylinders with gaskets, piston set with rings, top end gasket kit, pushrods, tappets, 585CE chain-drive easy start cams and instructions
- A fuel system is not included
Harley-Davidson -- 1200 Custom EFI XLC -- (2007, 2013, 2017, 2008, 2011, 2010, 2012, 2014, 2015, 2009, 2016); Harley-Davidson -- 1200 Low EFI XLL -- (2010, 2008, 2011, 2007, 2009); Harley-Davidson -- 883 SuperLow XLL -- (2011, 2014, 2013, 2016, 2012, 2015, 2017); Harley-Davidson -- Forty-Eight XLX -- (2010, 2011, 2015, 2017, 2013, 2014, 2016, 2012); Harley-Davidson -- Iron 883 XLN -- (2011, 2013, 2014, 2010, 2017, 2009, 2015, 2016, 2012); Harley-Davidson -- 1200 Nightster XLN -- (2011, 2007, 2009, 2010, 2012, 2008); Harley-Davidson -- Screamin' Eagle Softail Springer FXSTSSE -- (2007); Harley-Davidson -- CVO Pro Street Breakout FXSE -- (2016, 2017); Harley-Davidson -- CVO Breakout FXSBSE -- (2014, 2013); Harley-Davidson -- SuperLow 1200 XLT -- (2015, 2016, 2014, 2017); Harley-Davidson -- 1200 Roadster EFI XLR -- (2008, 2007); Harley-Davidson -- 883 Low EFI XLL -- (2008, 2007, 2010, 2009); Harley-Davidson -- 1200 Roadster XLCX -- (2016, 2017); Harley-Davidson -- CVO Softail Springer FXSTSSE3 -- (2009); Harley-Davidson -- Screamin' Eagle Softail Springer FXSTSSE2 -- (2008); Harley-Davidson -- Softail Standard EFI FXSTI -- (2008, 2010, 2012, 2011, 2009, 2007); Harley-Davidson -- Softail Rocker C FXCWC -- (2007, 2008, 2010, 2011, 2009); Harley-Davidson -- Seventy-Two XLV -- (2015, 2014, 2012, 2016, 2013); Harley-Davidson -- Sportster 1200 XL 50 -- (2007); Harley-Davidson -- 883 EFI XL -- (2007, 2009, 2008); Harley-Davidson -- Sportster 1200 XR -- (2011, 2010, 2009, 2012); Harley-Davidson -- CVO Softail Convertible FLSTSE -- (2010); Harley-Davidson -- CVO Softail Convertible FLSTSE2 -- (2011); Harley-Davidson -- 883 Custom EFI XLC -- (2009, 2007, 2008); Harley-Davidson -- Screamin' Eagle Dyna FXDSE -- (2007); Harley-Davidson -- CVO Softail Convertible FLSTSE3 -- (2012); Harley-Davidson -- Fat Boy Lo FLSTFB -- (2009, 2017, 2013, 2011, 2012, 2014, 2015, 2010, 2016); Harley-Davidson -- Softail Rocker FXCW -- (2007, 2010, 2009, 2008); Harley-Davidson -- CVO Softail Deluxe FLSTNSE -- (2015, 2014); Harley-Davidson -- 883 Roadster EFI XLR -- (2007); Harley-Davidson -- Screamin' Eagle Dyna FXDSE2 -- (2008); Harley-Davidson -- CVO Fat Bob FXDFSE -- (2009); Harley-Davidson -- 883 Roadster XLR -- (2007); Harley-Davidson -- CVO Fat Bob FXDFSE2 -- (2010); Harley-Davidson -- 1200 XLCP -- (2012, 2014, 2013, 2016, 2011, 2017, 2015); Harley-Davidson -- V-Rod Muscle VRSCF -- (2011, 2016, 2010, 2015, 2014, 2017, 2013, 2009, 2012); Harley-Davidson -- Street Glide Special FLHXS -- (2017, 2015, 2014, 2016); Harley-Davidson -- Electra Glide Police FLHTPI -- (2008, 2011, 2015, 2014, 2010, 2012, 2016, 2007, 2009, 2017, 2013); Harley-Davidson -- CVO Street Glide FLHXSE2 -- (2011); Harley-Davidson -- Road King Classic FLHRC -- (2013, 2009, 2010, 2012, 2011); Harley-Davidson -- Road Glide Special FLTRXS -- (2017, 2016, 2015); Harley-Davidson -- Screamin' Eagle Road King FLHRSE3 -- (2007); Harley-Davidson -- Screamin' Eagle Road King FLHRSE4 -- (2008); Harley-Davidson -- Sportster 1200 X XR -- (2011, 2009, 2010, 2012); Harley-Davidson -- Night Rod Special VRSCDX -- (2008, 2010, 2013, 2014, 2007, 2011, 2012, 2015, 2009, 2016, 2017); Harley-Davidson -- Night Rod VRSCD -- (2007, 2008); Harley-Davidson -- V-Rod VRSCAW -- (2010, 2009, 2008, 2007); Harley-Davidson -- CVO Electra Glide Ultra Classic FLHTCUSE5 -- (2010); Harley-Davidson -- Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 -- (2008); Harley-Davidson -- Road Glide Custom FLTRX -- (2017, 2013, 2016, 2011, 2012, 2010, 2015); Harley-Davidson -- Road King Special FLHRXS -- (2017); Harley-Davidson -- CVO Electra Glide Ultra Limited FLHTKSE -- (2015, 2017, 2016, 2014); Harley-Davidson -- Street Bob FXDB -- (2013, 2014, 2016, 2015, 2007, 2008, 2009, 2010, 2011, 2012, 2017); Harley-Davidson -- Road Glide Ultra FLTRU -- (2011, 2013, 2017, 2012, 2016); Harley-Davidson -- Electra Glide Ultra Classic Low FLHTCUL -- (2014, 2015, 2016); Harley-Davidson -- CVO Road Glide Custom FLTRXSE2 -- (2013); Harley-Davidson -- CVO Electra Glide Ultra Classic FLHTCUSE8 -- (2013); Harley-Davidson -- Street 500 XG -- (2015, 2016, 2014, 2017); Harley-Davidson -- Street 750 XG -- (2015, 2016, 2017); Harley-Davidson -- Street Rod 750 A XG -- (2017); Harley-Davidson -- Freewheeler FLRT -- (2017, 2015, 2016); Harley-Davidson -- V-Rod Screamin' Eagle Tribute VRSCX -- (2007); Harley-Davidson -- Electra Glide Ultra Classic EFI FLHTCUI -- (2017, 2009, 2011, 2016, 2010, 2012, 2013, 2014, 2015, 2007, 2008); Harley-Davidson -- CVO Road Glide Ultra FLTRUSE -- (2016, 2011, 2015); Harley-Davidson -- CVO Electra Glide Ultra Classic FLHTCUSE7 -- (2012); Harley-Davidson -- CVO Road King FLHRSE -- (2014); Harley-Davidson -- Road King EFI FLHR -- (2013, 2017, 2009, 2010, 2011, 2016, 2014, 2007, 2015, 2008, 2012); Harley-Davidson -- Road Glide EFI FLTR -- (2007, 2009, 2008); Harley-Davidson -- Super Glide EFI FXDI -- (2009, 2007, 2008, 2010); Harley-Davidson -- Electra Glide Classic EFI FLHTCI -- (2007, 2009, 2012, 2011, 2013, 2008, 2010); Harley-Davidson -- Softail Custom EFI FXSTC -- (2008, 2007, 2010, 2009); Harley-Davidson -- Fat Bob FXDF -- (2009, 2012, 2013, 2017, 2010, 2011, 2015, 2014, 2016, 2008); Harley-Davidson -- Softail Fat Boy EFI FLSTFI -- (2017, 2013, 2008, 2014, 2016, 2009, 2010, 2012, 2015, 2011, 2007); Harley-Davidson -- Softail Deluxe EFI FLSTNI -- (2010, 2011, 2014, 2008, 2009, 2012, 2016, 2017, 2007, 2015, 2013); Harley-Davidson -- Softail Heritage Classic EFI FLSTCI -- (2008, 2011, 2012, 2015, 2009, 2010, 2014, 2007, 2013, 2016, 2017); Harley-Davidson -- Low Rider EFI FXDL -- (2014, 2007, 2009, 2008, 2015, 2017, 2016); Harley-Davidson -- Blackline FXS -- (2012, 2011, 2013); Harley-Davidson -- Night Rod Special 10th Anniversary Edition VRSCDX -- (2012); Harley-Davidson -- CVO Street Glide FLHXSE -- (2010, 2016, 2017, 2015); Harley-Davidson -- CVO Road King FLHRSE5 -- (2013); Harley-Davidson -- CVO Electra Glide Ultra Classic FLHTCUSE4 -- (2009); Harley-Davidson -- Road King Custom EFI FLHRS -- (2007); Harley-Davidson -- Super Glide Custom EFI FXDCI -- (2008, 2011, 2012, 2013, 2009, 2010, 2014, 2007); Harley-Davidson -- Softail Deuce EFI FXSTDI -- (2007); Harley-Davidson -- Switchback FLD -- (2012, 2016, 2013, 2014, 2015); Harley-Davidson -- Softail Slim FLS -- (2017, 2015, 2014, 2012, 2013, 2016); Harley-Davidson -- Low Rider S FXDLS -- (2017, 2016); Harley-Davidson -- Softail Cross Bones FLSTSB -- (2010, 2011, 2008, 2009); Harley-Davidson -- Breakout FXSB -- (2015, 2016, 2013, 2014, 2017); Harley-Davidson -- Softail Night Train EFI FXSTBI -- (2007, 2008, 2009); Harley-Davidson -- Street Glide EFI FLHX -- (2017, 2014, 2015, 2007, 2008, 2012, 2009, 2010, 2013, 2011, 2016); Harley-Davidson -- Electra Glide Standard EFI FLHTI -- (2007, 2008, 2009); Harley-Davidson -- Street Rod VRSCR -- (2007); Harley-Davidson -- CVO Road Glide Custom FLTRXSE -- (2012); Harley-Davidson -- CVO Electra Glide Ultra Classic FLHTCUSE6 -- (2011); Harley-Davidson -- CVO Road Glide FLTRSE3 -- (2009); Harley-Davidson -- CVO Street Glide FLHXSE3 -- (2012); Harley-Davidson -- Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 -- (2007); Harley-Davidson -- Fat Boy S FLSTFBS -- (2017, 2016); Harley-Davidson -- Softail Slim S FLSS -- (2017, 2016); Harley-Davidson -- Wide Glide EFI FXDWGI -- (2007, 2010, 2008, 2013, 2014, 2015, 2012, 2017, 2011, 2016); Harley-Davidson -- Road King Classic EFI FLHRC -- (2012, 2013, 2010, 2008, 2009, 2007, 2011); Harley-Davidson -- Street Glide Trike FLHXXX -- (2010, 2011); Harley-Davidson -- Softail Springer Classic EFI FLSTSCI -- (2007)
