Product Description
1250CC Conversion kit from S&S for Harley Sportster models.
Fits: 1986-2021 Harley Sportster XL (Except 21 Sportster S/RH1250S)
- Forged pistons - coated piston skirts with measurement window and S&S logo
- Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves
- Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions
- Made in the U.S.A.
- 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.
NOTE: 883 models require use of XL1200 cylinder heads to achieve correct compression ratios
Fitment
| 2018-2021 | Harley-Davidson | Iron 1200 XLNS | - | - |
| 2018-2019 | Harley-Davidson | Forty-Eight Special XLXS | - | - |
| 2016-2020 | Harley-Davidson | 1200 Roadster XLCX | - | - |
| 2014-2017 | Harley-Davidson | SuperLow 1200 XLT | - | - |
| 2012-2016 | Harley-Davidson | Seventy-Two XLV | - | - |
| 2011-2019 | Harley-Davidson | 883 SuperLow XLL | - | - |
| 2011-2019 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2010-2021 | Harley-Davidson | Forty-Eight XLX | - | - |
| 2009-2021 | Harley-Davidson | Iron 883 XLN | - | - |
| 2007-2012 | Harley-Davidson | 1200 Nightster XLN | - | - |
| 2007-2011 | Harley-Davidson | 1200 Low EFI XLL | - | - |
| 2007-2010 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2007-2010 | Harley-Davidson | 883 Low EFI XLL | - | - |
| 2007-2009 | Harley-Davidson | 883 EFI XL | - | - |
| 2007-2009 | Harley-Davidson | 883 Custom EFI XLC | - | - |
| 2007-2008 | Harley-Davidson | 1200 Roadster EFI XLR | - | - |
| 2007 | Harley-Davidson | Sportster 1200 XL 50 | - | - |
| 2007 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
| 2006 | Harley-Davidson | 1200 Low EFI XLL | - | - |
| 2006 | Harley-Davidson | 1200 Roadster EFI XLR | - | - |
| 2006 | Harley-Davidson | 1200 Low XLL | - | - |
| 2006 | Harley-Davidson | 883 Low EFI XLL | - | - |
| 2006 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
| 2005-2007 | Harley-Davidson | 883 Roadster XLR | - | - |
| 2005-2006 | Harley-Davidson | 883 Low XLL | - | - |
| 2005 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
| 2004-2006 | Harley-Davidson | 883 XL | - | - |
| 2004-2006 | Harley-Davidson | 1200 Roadster XLR | - | - |
| 2004-2006 | Harley-Davidson | 1200 Custom XLC | - | - |
| 2004-2006 | Harley-Davidson | 883 Custom XLC | - | - |
| 2004-2006 | Harley-Davidson | 883 Custom EFI XLC | - | - |
| 2004-2006 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2002-2003, 2011-2017 | Harley-Davidson | 1200 XLCP | - | - |
| 2002-2003 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
| 2002-2003 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2002-2003 | Harley-Davidson | 883 Roadster XLR | - | - |
| 1999-2003 | Harley-Davidson | 883 Custom EFI XLC | - | - |
| 1998-2003 | Harley-Davidson | 883 Custom XLC | - | - |
| 1997-2003 | Harley-Davidson | 883 Hugger XLH | - | - |
| 1997-2003 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1997-2003 | Harley-Davidson | 1200 Custom XLC | - | - |
| 1996-2003 | Harley-Davidson | 1200 Sport XLS | - | - |
| 1996 | Harley-Davidson | 1200 Custom XLC | - | - |
| 1992-1996 | Harley-Davidson | 883 Hugger XLH | - | - |
| 1992-1996 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1992-1995 | Harley-Davidson | 883 Deluxe XLH | - | - |
| 1991-2003 | Harley-Davidson | Sportster 1200 XLH | - | - |
| 1991 | Harley-Davidson | 883 Deluxe XLH | - | - |
| 1991 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1991 | Harley-Davidson | 883 Hugger XLH | - | - |
| 1988-1990 | Harley-Davidson | Sportster 1200 XLH | - | - |
| 1987-1990 | Harley-Davidson | 883 Hugger XLH | - | - |
| 1986-1990 | Harley-Davidson | 883 Deluxe XLH | - | - |
| 1986-1990 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1986-1988 | Harley-Davidson | Sportster 1100 XLH | - | - |
Additional Information
| MPN | 910-0691 |