S&S CYCLE S&S® 3 9/16 Bore Forged Pistons For Harley-Davidson '86-'21 - 1250cc - 920-0071
CONFIRM FITMENT BEFORE ORDERING
Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.
These S&S 1250cc conversion pistons for 1986-'21 HD® Sportster® Models increase the displacement of 883cc and 1200cc engines to 1250cc at 11.2:1 compression. May be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommended. Stock 1200cc cylinders and 1986-'2003 883cc cylinders may be bored to accept the 3-9/16" bore 1250cc pistons, but 2004-'16 883cc cylinders may not be used. Also available in a cylinder and piston kit.
*This kit is not compatible with XR1200 models*
- Piston kit includes forged pistons, rings, wrist pin and clips for a complete motor
- Deck height is 1.207"
- Made in the U.S.A.
- This kit is not compatible with XR1200 or '21 Sportster S/RH1250S models.
Fitment Guide
| 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 | - | - |
| 2004-2009 | Harley-Davidson | XL1200R Sportster 1200 Roadster | - | - |
| 2004-2008 | Harley-Davidson | XL883 Sportster | - | - |
| 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 | - | - |
| 1995-2019 | Harley-Davidson | XL1200C Sportster 1200 Custom | - | - |
| 1995-2003 | Harley-Davidson | XL1200S Sportster 1200 Sport | - | - |
| 1988-2003 | Harley-Davidson | XLH1200 | - | - |
| 1988 | Harley-Davidson | Sportster 1100 XLH | - | - |
| 1987-2003 | Harley-Davidson | XLH883HUG Sportster 883 Hugger | - | - |
| 1987, 1989-2003 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1986-2004 | Harley-Davidson | XLH883 | - | - |
| 1986-1996 | Harley-Davidson | XLH883DLX Sportster 883 Deluxe | - | - |
| 1986-1987 | Harley-Davidson | XLH1100 | - | - |
Specs
| PRODUCT NAME | PISTON KIT |
| STYLE | BIG BORE |
| PISTON MATERIAL | ALUMINUM / FORGED |
| BORE SIZE | 3.5625" |
| COMPRESSION RATIO | 11.2:1 |
| DISPLACEMENT | 1250 CC |
| STROKE LENGTH | 3-13/16" |
| PISTON HEAD SHAPE | DOMED |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE S&S® 3 9/16 Bore Forged Pistons For Harley-Davidson '86-'21 - 1250cc - 920-0071
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.