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S&S Cycle Silver 1250cc Conversion Kit with Dome Top Pistons

J&P Cycles Part Number: 207-084

Manufacturer Part Number: 910-0436

$999.99

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Important Fitment Note

Cannot be used with stock 883 heads.

Description

Description for S&S Cycle Silver 1250cc Conversion Kit with Dome Top Pistons

•S&S Cycle largest big bore kit for Sportster models that bolt to stock crankcases

• Can typically increase horsepower to over 90hp with proper exhaust, camshafts, CNC ported heads, while using the stock fueling system

• Forged pistons are dome top 11.2:1 compression ratio (based on 60cc combustion chambers)

• Each piston is fitted with rings and wristpins, and have larger then stock valve pockets that accept up to 2.00″ valves

• Cylinders are 3-9/16″, available in silver or wrinkle black finish and come with MLS head, base, and exhaust gaskets

Note: S&S Cycle cylinders match the 1986-2003 cylinder heads. 2004-15 have a slight difference in fin profile.

Note: Cannot run stock 883 cylinder heads with this kit

Product Specs

Product Specs for S&S Cycle Silver 1250cc Conversion Kit with Dome Top Pistons

Compression Ratio:
11.2:1
Cylinder Bore Size:
3-9/16″
Manufacturer Part Number:
910-0436
Sold in Units:
Kit
Warehouse Part Number:
1023049
Fitment
Fitment Note:

Cannot be used with stock 883 heads.

Fitment Questions?

With over 750 years of experience combined, our tech staff has the answers!

Compatible Models

Harley-Davidson® Models

  • Sportster 1100 Electric Start Anniversary XLH1100 : 1987
  • Sportster 1100 Electric Start XLH1100 : 1986–1987
  • Sportster 1200 50th Anniversary XL50 : 2007
  • Sportster 1200 Custom Anniversary XL1200C : 2013
  • Sportster 1200 Custom XL1200C : 2004–2018
  • Sportster 1200 Custom XL1200CA : 2013–2016
  • Sportster 1200 Custom XL1200CB : 2012–2017
  • Sportster 1200 Custom XL1200CP : 2011–2016
  • Sportster 1200 Custom XLH1200C : 1996–2003
  • Sportster 1200 Forty-Eight Anniversary XL1200X : 2018
  • Sportster 1200 Forty-Eight Special XL1200XS : 2018
  • Sportster 1200 Forty-Eight XL1200X : 2010–2018
  • Sportster 1200 Iron XL1200NS : 2018
  • Sportster 1200 Low XL1200L : 2006–2011
  • Sportster 1200 Nightster XL1200N : 2007–2012
  • Sportster 1200 Roadster XL1200CX : 2016–2018
  • Sportster 1200 Roadster XL1200R : 2004–2009
  • Sportster 1200 Seventy-Two XL1200V : 2012–2016
  • Sportster 1200 Sport XLH1200S : 1996–2003
  • Sportster 1200 Standard XLH1200 : 1988–2003
  • Sportster 1200 SuperLow XL1200T : 2014–2017
  • Sportster 883 Custom XL883C : 2004–2010
  • Sportster 883 Custom XLH883C : 1998–2003
  • Sportster 883 Deluxe XLH883 : 1986–1995
  • Sportster 883 Hugger XLH883 : 1987–2003
  • Sportster 883 Iron XL883N : 2009–2018
  • Sportster 883 Low XL883L : 2005–2010
  • Sportster 883 Roadster XL883R : 2005–2015
  • Sportster 883 Roadster XLH883R : 2002–2003
  • Sportster 883 Standard XL883 : 2004–2009
  • Sportster 883 Standard XLH883 : 1986–2003
  • Sportster 883 SuperLow XL883L : 2011–2018
  • Sportster XR1200 : 2008–2010
  • Sportster XR1200X : 2010–2013
Customer Reviews

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Pickup in our Retail Stores
Out of Stock in Retail Center Anamosa, IA
Out of Stock in Retail Center Daytona, FL
Out of Stock in Retail Center Sturgis, SD
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