These S&S 1250cc conversion pistons for 1986-'21 HD® Sportster® Models increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression. May be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommended. Stock 1200cc cylinders and 1986-'2003 883cc cylinders may be bored to accept the 3-9/16" bore 1250cc pistons, but 2004-'16 883cc cylinders may not be used. Also available in a cylinder and piston kit.
*This kit is not compatible with XR1200 models*
DISCLAIMER:
FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE.
510-0087-883to1200conversion-kit.pdf
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