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103″ Big bore Wiseco flat top standard piston kit has a compression of 9.6:1 with 3-7/8″ bore.
**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.
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FITS
FXST 2007-2017
FLT 2007-2016
FLST 2007-2017
FXD 2007-2017
