S&S Cycle
SKU: SS-910-0692
S&S Cycle 1250cc Conversion Kit Wrinkle Black Finish for Harley-Davidson Sportster 86-21 Models w/High Compression
Out of Stock
$1,359.95
Or 4 payments of $339.99 with 
SS-910-0692
Description
S&S 1250 Big Bore Kit For Harley Sportster
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.
Features:
- 10.3:1 Flat Top Pistons
- 11.2:1 5.5cc Domed Pistons
- Made in the USA
(SS-910-0692)
Fitment
Fitment Notes & Exceptions
- Can not run stock 883 cylinder heads with this kit.
- S&S does not recommend boring 2004 and later 883cc cylinders from 3" to 3-9/16" bore to increase engine displacement to 1250cc due to changes in factory cylinder and liner.
- The cylinder fin profile does not perfectly match the fins on 2004 and later stock heads, but the difference is not considered to be objectionable.
- See instructions for full details on installation.
**Please Note: The fitment information below has been generated as a guide and may not be 100% accurate. Please contact us if you require further assistance.
- Harley Davidson Sportster Custom XL1200C: 1996-2019
- Harley Davidson Sportster Custom XL883C: 1998-2009
- Harley Davidson Sportster Deluxe XLH883DLX: 1989,1990,1991,1992
- Harley Davidson Sportster Forty-Eight Special XL1200XS: 2018,2019
- Harley Davidson Sportster Forty-Eight XL1200X: 2010-2022
- Harley Davidson Sportster Hugger XLH883HUG: 1988-2003
- Harley Davidson Sportster Iron XL1200NS: 2018,2019,2020,2021
- Harley Davidson Sportster Iron XL883N: 2009-2022
- Harley Davidson Sportster Low/SuperLow XL883L: 2005-2019
- Harley Davidson Sportster Low XL1200L: 2006-2011
- Harley Davidson Sportster Nightster XL1200N: 2007-2012
- Harley Davidson Sportster Roadster XL1200CX: 2016,2017,2018,2019,2020
- Harley Davidson Sportster Roadster XL1200R: 2004,2005,2006,2007,2008
- Harley Davidson Sportster Roadster XL883R: 2002-2012
- Harley Davidson Sportster Seventy-Two XL1200V: 2012,2013,2014,2015,2016
- Harley Davidson Sportster Sport XL1200S: 1996-2003
- Harley Davidson Sportster SuperLow XL1200T: 2014,2015,2016,2017
- Harley Davidson Sportster XL883: 2004-2009
- Harley Davidson Sportster XLH1100: 1986,1987,1988
- Harley Davidson Sportster XLH1200: 1988-2003
- Harley Davidson Sportster XLH883: 1986-2003
Specifications
SKU: SS-910-0692
Brand: S&S Cycle
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