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S&S Cycle Black Cylinder and Piston Conversion Kit

2 Reviews

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  • S&S Cycle Black Cylinder and Piston Conversion Kit
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J&P Part: 633-657


S&S Cycle Black Cylinder and Piston Conversion Kit

• Convert 883cc Sportster models to 1200cc

• No need to balance since these pistons weigh the same as stock 883 pistons

• Cylinder head modification is also not needed

• The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads

• Installing this kit takes the same time as replacing a stock top end

• Kit contains S&S Cycle 833-1200cc conversion pistons with rings and wristpins, S&S Cycle 3-1/2″ bore cylinders, cylinder head, base and exhaust gaskets, assembly lube and instructions

Note: 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.

Note: S&S Cycle does not recommend boring 2004 and later 883cc cylinders from 3″ to 3-1/2″ bore to increase engine displacement to 1200cc due to the large taper on the bottom of the cylinder spigot. New cylinders are recommended.

Made In The USA This product was proudly made in the USA

Product Specs

Compression Ratio: 9.4:1

Cylinder Bore Size: 3-1/2″

Finish: Black Wrinkle Powdercoat

Manufacturer Part Number: 910-0296

Sold in Units: Kit


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Click (+) to view all compatible models

Harley-Davidson® Models

Sportster 1200 50th Anniversary XL50 : 2007
Sportster 883 Custom XL883C : 2004–2009
Sportster 883 Custom XLH883C : 1999–2003
Sportster 883 Deluxe XLH883 : 1988–1995
Sportster 883 Hugger XLH883 : 1988–2003
Sportster 883 Iron XL883N : 2011–2016
Sportster 883 Low XL883L : 2005–2010
Sportster 883 Roadster XL883R : 2006–2015
Sportster 883 Roadster XLH883R : 2003
Sportster 883 Standard XL883 : 2005–2009
Sportster 883 Standard XLH883 : 1987–1991, 1993–2003
Sportster 883 SuperLow XL883L : 2011–2016

Customer Reviews

Overall Rating:
5/5 based on 2 ratings

5 by

This is the kit you need if you don't want to replace heads or machine the case. The high quality you would expect from SS. excellent instruction for the kit but you should have a service manual for the rest of the job. As always with J&P it shipped first business day.

4 by

Did conversion kit and changed cams. It is a different bike. Fast and quick acceleration.

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