S&S Cycle 1250 Cc Conversion Kit

Description

• Product Description
• Vehicle Fitment

• • 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

  Notes

  • 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.

• S&S Cycle 0931-052 Vehicle Fitment & Compatibility

  Fitment data lists this product for 140 model-year applications across 1 makes, with listed model years from 1986 through 2022.

  Harley-Davidson (140 model-year applications)

  Model

  Submodel / Trim	Years
  Forty Eight	XL1200X	2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
  Forty Eight	XL1200XS Special	2018, 2019
  Iron 1200	XL1200NS	2018, 2019, 2020, 2021
  Iron 883	XL883N	2009, 2010, 2011, 2012, 2013, 2014-2022
  Roadster	XL1200CX	2016-2020
  Seventy Two	XL1200V	2012-2016
  Sportster 1100	XLH1100	1986-1987
  Sportster 1200	Custom XL1200C	2002-2019
  Sportster 1200	Low XL1200L	2006-2011
  Sportster 1200	Nightster XL1200N	2007-2012
  Sportster 1200	Roadster XL1200R	2004-2008
  Sportster 1200	Sport XL1200S	2002-2003
  Sportster 1200	XLH1200	1988-2003
  Sportster 883	Custom XL883C	2002-2009
  Sportster 883	Low XL883L	2005-2010
  Sportster 883	Roadster XL883R	2002-2003, 2005-2007
  Sportster 883	XL883	2004-2008
  Sportster 883	XLH883	1986-2003