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S&S Cycle - 1250cc Big Bore Kit Sportster 1986-2017 - Silver - 11.2 : 1 Compression Ratio

by S&S
SKU 97174
Original price $978.95 - Original price $978.95
Original price
$978.95
$978.95 - $978.95
Current price $978.95

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This kit converts 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Forged pistons have larger than stock valve pockets and accept up to 2.00" valves. Kit contains forged flat topped 3 9/16" bore pistons with coated piston skirts, S&S 3-9/16" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions.

  • 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
  • Available in silver powder coat or wrinkle black powder coat finish
  • 11.2 : 1 compression ratio
  • Kit includes S & S 1250cc pistons with rings and wristpins, S & S 39/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions
  • Made in the U.S.A.
  • MFG Part #¬†910-0436
YEAR MAKE MODEL
2014 - 2017 Harley-Davidson Superlow - XL 1200T
1996 - 2006 Harley-Davidson XL 1200C Custom
2007 - 2017 Harley-Davidson XL 1200C Custom (EFI)
2016 - 2017 Harley-Davidson XL 1200CX Roadster
2006 Harley-Davidson XL 1200L Low
2007 - 2011 Harley-Davidson XL 1200L Low (EFI)
2007 - 2012 Harley-Davidson XL 1200N Nightster
2004 - 2006 Harley-Davidson XL 1200R Roadster
2007 - 2008 Harley-Davidson XL 1200R Roadster (EFI)
1996 - 2003 Harley-Davidson XL 1200S Sport
2012 - 2016 Harley-Davidson XL 1200V Seventy-Two
2010 - 2017 Harley-Davidson XL 1200X Forty-Eight
2004 - 2006 Harley-Davidson XL 883
2007 - 2008 Harley-Davidson XL 883 (EFI)
1999 - 2006 Harley-Davidson XL 883C Custom
2007 - 2009 Harley-Davidson XL 883C Custom (EFI)
2005 - 2006 Harley-Davidson XL 883L Low
2007 - 2010 Harley-Davidson XL 883L Low (EFI)
2011 - 2017 Harley-Davidson XL 883L Superlow
2009 - 2017 Harley-Davidson XL 883N Iron
2002 - 2003 Harley-Davidson XL 883R
2005 - 2006 Harley-Davidson XL 883R
2007 Harley-Davidson XL 883R (EFI)
2007 Harley-Davidson XL50 50th Anniversary (EFI)
1986 - 1987 Harley-Davidson XLH 1100
1988 - 2003 Harley-Davidson XLH 1200
1986 - 2003 Harley-Davidson XLH 883
1986 - 1995 Harley-Davidson XLH 883 Deluxe
1987 - 2003 Harley-Davidson XLH 883 Hugger

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