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Harley Davidson 103" Big Bore Wiseco Piston Kit

SKU: 11-1011

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Harley Davidson Big Bore Wiseco reverse domed piston kit for use with standard 3.875" bore cylinders with 9:1 compression. Kit includes forged pistons, rings, circlips, chrome piston pins and gaskets. +.000"

**Note:Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings.


FLT 2007-2016
FXST 2007-2017
FLST 2007-2017
FXD 2007-2017