S&S CYCLE Big Bore Forged Piston Kit - 107" Twin Cam - Standard 920-0100
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- See delivery info below
These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 107" displacement with 10.4:1 compression with stock heads. Stock cylinders may be bored to accomodate larger pistons, but we recommend S&S 3.927" bore cylinders which feature high strength alloyed cast iron liners. Pistons are compatible with stock rods with tapered wristpin ends. S&S® 3.927" bore pistons are machined to such close tolerances that it is not necessary to measure the piston. Just bore cylinders to nominal diameter +/- 0.0005" for correct clearance. Additionally, the low friction coating on the piston skirt makes taking measurements very difficult. 3.937" standard bore.
- Pistons are compatible with stock rods with tapered wristpin ends
- Stock cylinders may be bored to accommodate larger piston
- Bore cylinders to nominal diameter +/- 0.0005" for correct clearance
NOTE: Deck height is 1.085".
NOTE: Works with 4-3/8" stroke flywheels to convert 96" or 103" to 107" displacement with 10.4:1 compression with stock heads.
Fitment Guide
| 2016-2017 | Harley-Davidson | Low Rider S FXDLS | - | - |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | - | - |
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | - | - |
| 2014-2016 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | - | - |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | - | - |
| 2014-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL | - | - |
| 2014 | Harley-Davidson | CVO Road King FLHRSE | - | - |
| 2013 | Harley-Davidson | CVO Road King FLHRSE5 | - | - |
| 2013 | Harley-Davidson | CVO Road Glide Custom FLTRXSE2 | - | - |
| 2013 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE8 | - | - |
| 2012-2016 | Harley-Davidson | Switchback FLD | - | - |
| 2012 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | - | - |
| 2012 | Harley-Davidson | CVO Street Glide FLHXSE3 | - | - |
| 2012 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE7 | - | - |
| 2011-2013, 2016 | Harley-Davidson | Road Glide Ultra FLTRU | - | - |
| 2011, 2015-2016 | Harley-Davidson | CVO Road Glide Ultra FLTRUSE | - | - |
| 2011 | Harley-Davidson | CVO Street Glide FLHXSE2 | - | - |
| 2011 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE6 | - | - |
| 2010-2016 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | - | - |
| 2010-2013, 2015-2016 | Harley-Davidson | Road Glide Custom FLTRX | - | - |
| 2010, 2015-2016 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
| 2010 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE5 | - | - |
| 2010 | Harley-Davidson | CVO Fat Bob FXDFSE2 | - | - |
| 2009-2013 | Harley-Davidson | Road King Classic FLHRC | - | - |
| 2009 | Harley-Davidson | CVO Road Glide FLTRSE3 | - | - |
| 2009 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE4 | - | - |
| 2009 | Harley-Davidson | CVO Fat Bob FXDFSE | - | - |
| 2008-2017 | Harley-Davidson | Fat Bob FXDF | - | - |
| 2008 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 | - | - |
| 2008 | Harley-Davidson | Screamin' Eagle Road King FLHRSE4 | - | - |
| 2008 | Harley-Davidson | Screamin' Eagle Dyna FXDSE2 | - | - |
| 2007-2017 | Harley-Davidson | Street Bob FXDB | - | - |
| 2007-2016 | Harley-Davidson | Road King EFI FLHR | - | - |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |
| 2007-2016 | Harley-Davidson | Street Glide EFI FLHX | - | - |
| 2007-2016 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 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 | 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 | Road Glide EFI FLTR | - | - |
| 2007-2008, 2010-2017 | Harley-Davidson | Wide Glide EFI FXDWGI | - | - |
| 2007 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 | - | - |
| 2007 | Harley-Davidson | Screamin' Eagle Dyna FXDSE | - | - |
| 2007 | Harley-Davidson | Screamin' Eagle Road King FLHRSE3 | - | - |
| 2007 | Harley-Davidson | Screamin' Eagle Softail Springer FXSTSSE | - | - |
| 2007 | Harley-Davidson | Softail Springer Classic EFI FLSTSCI | - | - |
| 2007 | Harley-Davidson | Softail Rocker C FXCWC | - | - |
| 2007 | Harley-Davidson | Softail Rocker FXCW | - | - |
| 2007 | Harley-Davidson | Road King Custom EFI FLHRS | - | - |
| 2007 | Harley-Davidson | Softail Custom EFI FXSTC | - | - |
| 2007 | Harley-Davidson | Softail Night Train EFI FXSTBI | - | - |
| 2007 | Harley-Davidson | Softail Fat Boy EFI FLSTFI | - | - |
| 2007 | Harley-Davidson | Softail Deluxe EFI FLSTNI | - | - |
| 2007 | Harley-Davidson | Softail Deuce EFI FXSTDI | - | - |
| 2007 | Harley-Davidson | Softail Heritage Classic EFI FLSTCI | - | - |
| 2007 | Harley-Davidson | Softail Standard EFI FXSTI | - | - |
Specs
| PRODUCT NAME | PISTON KIT |
| STYLE | BIG BORE |
| PISTON MATERIAL | FORGED |
| BORE SIZE | 3.937" |
| BORE - OVERSIZE | STANDARD |
| BORE OVERSIZE | STANDARD |
| COMPRESSION RATIO | 10.4:1 |
| DISPLACEMENT | 107" |
| STROKE LENGTH | 4-3/8" |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE Big Bore Forged Piston Kit - 107" Twin Cam - Standard 920-0100
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.