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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
0’’ / 1
Available in 11
Quickee kit will accommodate all displacements
Arlen Ness 420-105
S&S Cycle 910-0689 1250cc Conversion Kit for 1986-21 HD® Sportster® Models - Silver Finish bandana 0’’ / 1S&S Cycle 910 0689 This kit converts 1986 '21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. 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. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams,
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