S&S CYCLE 100" Sidewinder Big Bore Kit for '99-'06 HD® Big Twin Models - Wrinkle Black - 910-0646
🚚 Estimated Delivery: 14 Jul - 21 Jul
Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!
Features & Benefits
- Low friction Ductile Cast Iron liner
- 10.5:1 Compression
- Bolts in. No machining, balancing, or splitting the crankcases
- 88" engines are boosted to 100"
- Complete kits include cylinders, pistons, gaskets, and instructions
- Wrinkle black cylinders – matches stock finish
- Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
| Stroke | Bore | Cylinder Length | Piston Type | Dome Volume | 83cc CNC Heads | 85cc Stock Heads | 89cc S&S Heads |
| 4 | 4.00" | 4.937" | Forged | 8.75 pop up | 10.8:1 | 10.5:1 | 10.1:1 |
*Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes.
NOTE: Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes. When using on a carbureted model, an adjustable performance ignition must be used.
NOTE: Not recommended for trike models.
Fitment Guide
| 2006 | Harley-Davidson | FLHTCUSE Screamin Eagle Ultra Classic Electra Glide | - | - |
| 2006 | Harley-Davidson | FLSTI Heritage Softail | - | - |
| 2006 | Harley-Davidson | FXDB Street Bob | - | - |
| 2006 | Harley-Davidson | FLHX Street Glide | - | - |
| 2006 | Harley-Davidson | FLHXI Street Glide | - | - |
| 2006 | Harley-Davidson | FXDI35 Dyna 35th Anniversary Super Glide | - | - |
| 2006 | Harley-Davidson | FLST Heritage Softail | - | - |
| 2006 | Harley-Davidson | Electra Glide Classic FLHTC | - | - |
| 2006 | Harley-Davidson | Low Rider FXDL | - | - |
| 2005-2006 | Harley-Davidson | FLSTSC Softail Springer Classic | - | - |
| 2005-2006 | Harley-Davidson | FLSTFSE Screamin Eagle Fat Boy | - | - |
| 2005-2006 | Harley-Davidson | FLSTN Softail Deluxe | - | - |
| 2005-2006 | Harley-Davidson | FLSTNI Softail Deluxe | - | - |
| 2005-2006 | Harley-Davidson | FLSTSCI Softail Springer Classic | - | - |
| 2005-2006 | Harley-Davidson | FXDCI Super Glide Custom | - | - |
| 2005 | Harley-Davidson | FLHTCSE2 Screamin Eagle Electra Glide 2 | - | - |
| 2005 | Harley-Davidson | FXDC Super Glide Custom | - | - |
| 2005 | Harley-Davidson | 15th Anniversary Fat Boy FLSTF | - | - |
| 2004-2006 | Harley-Davidson | FLHRS Road King Custom | - | - |
| 2004-2006 | Harley-Davidson | FLHRSI Road King Custom | - | - |
| 2004-2006 | Harley-Davidson | FXDI Dyna Super Glide | - | - |
| 2004-2006 | Harley-Davidson | FXDLI Dyna Low Rider | - | - |
| 2004-2006 | Harley-Davidson | FXDWGI Dyna Wide Glide | - | - |
| 2004-2005 | Harley-Davidson | FXDXI Dyna Super Glide Sport | - | - |
| 2004 | Harley-Davidson | FLHTCSE Screamin Eagle Electra Glide | - | - |
| 2003-2006 | Harley-Davidson | FLHTI Electra Glide Standard | - | - |
| 2003-2004 | Harley-Davidson | FXSTDSE Screamin Eagle Softail Deuce | - | - |
| 2003 | Harley-Davidson | FLHRSEI2 Screamin Eagle Road King 2 | - | - |
| 2002-2006 | Harley-Davidson | FLSTFI Fat Boy | - | - |
| 2002 | Harley-Davidson | FLHRSEI Screamin Eagle Road King | - | - |
| 2002 | Harley-Davidson | FXDWG3 CVO Dyna Wide Glide | - | - |
| 2001-2006 | Harley-Davidson | FXSTDI Softail Deuce | - | - |
| 2001-2006 | Harley-Davidson | FLSTCI Heritage Softail Classic | - | - |
| 2001-2006 | Harley-Davidson | FXSTSI Springer Softail | - | - |
| 2001-2006 | Harley-Davidson | FXSTBI Night Train | - | - |
| 2001-2006 | Harley-Davidson | FXSTI Softail Standard | - | - |
| 2001-2003 | Harley-Davidson | FLSTSI Heritage Springer | - | - |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | - | - |
| 2001 | Harley-Davidson | FLTRSEI2 Screamin Eagle Road Glide 2 | - | - |
| 2001 | Harley-Davidson | FXDWG2 CVO Dyna Wide Glide | - | - |
| 2000-2006 | Harley-Davidson | FXSTD Softail Deuce | - | - |
| 2000-2006 | Harley-Davidson | FLHRI Road King | - | - |
| 2000-2003 | Harley-Davidson | Wide Glide EFI FXDWGI | - | - |
| 2000-2002 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
| 2000 | Harley-Davidson | FLTRSEI Screamin Eagle Road Glide | - | - |
| 1999-2006 | Harley-Davidson | FLHRCI Road King Classic | - | - |
| 1999-2006 | Harley-Davidson | FLHTCI Electra Glide Classic | - | - |
| 1999-2006 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | - | - |
| 1999-2006 | Harley-Davidson | FLTRI Road Glide | - | - |
| 1999-2006 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 1999-2006 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 1999-2006 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1999-2006 | Harley-Davidson | FLHR Road King | - | - |
| 1999-2006 | Harley-Davidson | FLTR Road Glide | - | - |
| 1999-2006 | Harley-Davidson | FXSTB Night Train | - | - |
| 1999-2006 | Harley-Davidson | Electra Glide Police FLHTP | - | - |
| 1999-2006 | Harley-Davidson | FLSTC Heritage Softail Classic | - | - |
| 1999-2006 | Harley-Davidson | FLSTF Fat Boy | - | - |
| 1999-2006 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1999-2006 | Harley-Davidson | FXDWG Dyna Wide Glide | - | - |
| 1999-2006 | Harley-Davidson | FXST Softail Standard | - | - |
| 1999-2006 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport | - | - |
| 1999-2005 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1999-2005 | Harley-Davidson | FXDL Dyna Low Rider | - | - |
| 1999-2003 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 1999-2000 | Harley-Davidson | FXDS-Conv Dyna Convertible | - | - |
| 1999 | Harley-Davidson | Road King EFI FLHR | - | - |
| 1999 | Harley-Davidson | FXSTC Softail Custom | - | - |
Specs
| PRODUCT NAME | CYLINDER AND PISTON KIT |
| TYPE | BIG BORE |
| MODEL | SIDEWINDER |
| BASE COLOR | BLACK |
| COLOR/FINISH | BLACK |
| BORE SIZE | 4.000" |
| DISPLACEMENT | 100" |
| STROKE LENGTH | 4" |
| COMPRESSION RATIO | 10.5:1 |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE 100" Sidewinder Big Bore Kit for '99-'06 HD® Big Twin Models - Wrinkle Black - 910-0646
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.