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Increase your stock Evolution engine with our 88″ cylinder kit.
Our kit includes two 3-5/8″ silver cylinders which have been honed for final fitment with Wiseco 9.25:1 compression flat top pistons and rings. Case boring will be required for final fitment. Bottom of cylinder spigot is 3.875. Order top end gasket kit separately.
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Fit
FLST 1986-1998
FLT 1984-1998
FXR 1984-1994
FXST 1984-1998
FXD 1991-1998
