Piston Kit - 1250 XL

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Fitments Years Make Model 2010 - 2020 Harley-Davidson Sportster Forty-Eight XLX 2018 - 2021 Harley-Davidson Iron 1200 XLNS 2016 - 2020 Harley-Davidson 1200 Roadster XLCX 2009 - 202 0 Harley-Davidson Iron 883 XLN 1996 - 2006 Harley-Davidson 1200 Custom XLC 2002 - 2019 Harley-Davidson 1200 Custom EFI XLC 2006 - 2011 Harley-Davidson 1200 Low EFI XLL 1998 - 2006 Harley-Davidson 883 Custom XLC 2005 - 2006 Harley-Davidson 883 Low XLL 2006 - 2010 Harley-Davidson 883 Low EFI XLL 2011 - 2019 Harley-Davidson 883 SuperLow XLL 1988 - 2003 Harley-Davidson Sportster 1200 XLH 1986 - 2003 Harley-Davidson Sportster 883 XLH 2007 - 2009 Harley-Davidson 883 EFI XL 1999 - 2009 Harley-Davidson 883 Custom EFI XLC 2004 - 2006 Harley-Davidson 1200 Roadster XLR 2006 - 2008 Harley-Davidson 1200 Roadster EFI XLR 2002 - 2007 Harley-Davidson 883 Roadster EFI XLR 2007 - 2012 Harley-Davidson 1200 Nightster XLN 1986 - 1995 Harley-Davidson 883 Deluxe XLH 1996 - 2003 Harley-Davidson 1200 Sport XLS 2012 - 2016 Harley-Davidson Sportster Seventy-Two XLV 2018 - 2019 Harley-Davidson Sportster Forty-Eight Special XLXS 2014 - 2017 Harley-Davidson SuperLow 1200 XLT 1986 - 1988 Harley-Davidson Sportster 1100 XLH 1987 - 2003 Harley-Davidson 883 Hugger XLH 2002 - 2007 Harley-Davidson 883 Roadster XLR 2004 - 2006 Harley-Davidson 883 XL 2002 - 2017 Harley-Davidson 1200 XLCP 2009 - 2012 Harley-Davidson Sportster 1200 X XR 2007 Harley-Davidson Sportster 1200 XL 50 2006 Harley-Davidson 1200 Low XLL 2009 - 2012 Harley-Davidson Sportster 1200 XR FeaturesIncrease the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compressionCast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance Replacement HeadsMay be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommendedStock 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 usedSpecs Bore Size: 3,5625" Bore Size: 3.5625" Piston Head Shape: Flat Top Piston Material: Aluminum Stroke Length: 3-13/16" Units: Kit Bore - Oversize: Standard Bore Oversize: Standard Compression Ratio: 10,3:1 Compression Ratio: 10.3:1 Displacement: 1250 cc Product Name: Piston Kit Riding Style: Street Stroke Length: 3-13/16"Approximate Package Weight & Dimensions Weight: 2.45 Height: 4.8 Length: 8.7 Width: 4.8 Show more