Features
- Converts ’86-’21 883 cc and 1200 cc Sportster models to 1250 cc displacement
- Forged pistons have larger than stock valve pockets and accepts up to 2.00″ valves
- Forged pistons – coated piston skirts with measurement window and S&S logo
- No machining or rebalancing is required
- Kit includes S&S 1250 cc pistons with rings and wristpins, S&S 3-9/16″ bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions
- Made in the USA
- Will not work with XR1200 models.
- 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.
- For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.
Specs
| Product Name | Cylinder Kit |
| Type | Domed |
| Style | Big Bore |
| Color/Finish | Black |
| Material | Iron / Cast / Aluminum |
| Bore Size | 3.562″ |
| Displacement | 1250 cc |
| Stroke Length | 3-13/16″ |
| Compression Ratio | 11.2:1 |
| Units | Kit |
| Riding Style | Street |
FITMENTS:
| 2018-2021 | Harley-Davidson | XL1200NS Iron 1200 | – | – |
| 2018-2019 | Harley-Davidson | XL1200XS Forty-Eight Special | – | – |
| 2016-2020 | Harley-Davidson | XL1200CX Roadster | – | – |
| 2014-2017 | Harley-Davidson | XL1200T SuperLow 1200T | – | – |
| 2012-2016 | Harley-Davidson | XL1200V Seventy-Two | – | – |
| 2011-2019 | Harley-Davidson | XL883L SuperLow | – | – |
| 2010-2022 | Harley-Davidson | XL1200X Forty-Eight | – | – |
| 2009-2022 | Harley-Davidson | XL883N Iron 883 | – | – |
| 2009 | Harley-Davidson | 883 EFI XL | – | – |
| 2007-2012 | Harley-Davidson | XL1200N Sportster 1200 Nightster | – | – |
| 2007 | Harley-Davidson | XL50 50th Anniversary Sportster | – | – |
| 2007 | Harley-Davidson | 883 Roadster XLR | – | – |
| 2006-2011 | Harley-Davidson | XL1200L Sportster 1200 Low | – | – |
| 2006 | Harley-Davidson | 883 Low EFI XLL | – | – |
| 2006 | Harley-Davidson | 1200 Low EFI XLL | – | – |
| 2006 | Harley-Davidson | 1200 Roadster EFI XLR | – | – |
| 2005-2010 | Harley-Davidson | XL883L Sportster 883 Low | – | – |
| 2004-2008 | Harley-Davidson | XL883 Sportster | – | – |
| 2004-2008 | Harley-Davidson | XL1200R Sportster 1200 Roadster | – | – |
| 2002-2006 | Harley-Davidson | 1200 Custom EFI XLC | – | – |
| 2002-2003, 2011-2017 | Harley-Davidson | 1200 XLCP | – | – |
| 2002-2003, 2005-2007 | Harley-Davidson | XL883R Sportster 883 Roadster | – | – |
| 2002-2003, 2005-2006 | Harley-Davidson | 883 Roadster EFI XLR | – | – |
| 1999-2009 | Harley-Davidson | XL883C Sportster 883 Custom | – | – |
| 1999-2006 | Harley-Davidson | 883 Custom EFI XLC | – | – |
| 1999-2003 | Harley-Davidson | Sportster 1200 XLH | – | – |
| 1998 | Harley-Davidson | 883 Custom XLC | – | – |
| 1996-2019 | Harley-Davidson | XL1200C Sportster 1200 Custom | – | – |
| 1996-2003 | Harley-Davidson | XL1200S Sportster 1200 Sport | – | – |
| 1988-1998 | Harley-Davidson | XLH1200 | – | – |
| 1988 | Harley-Davidson | Sportster 1100 XLH | – | – |
| 1987-1998, 2002-2003 | Harley-Davidson | XLH883HUG Sportster 883 Hugger | – | – |
| 1987, 1989-2003 | Harley-Davidson | Sportster 883 XLH | – | – |
| 1986-1995 | Harley-Davidson | XLH883DLX Sportster 883 Deluxe | – | – |
| 1986-1987 | Harley-Davidson | XLH1100 | – | – |
| 1986, 1988, 1999-2001 | Harley-Davidson | XLH883 |









