88 Evolution Big Bore Cylinder Kit Silver

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. *NOTE: Install pistons with raised bars or on wrist pin area towards the sprocket shaft side of the engine. 1984-1994 FXR 1991-1998 FXD 1986-1998 FLST 1984-1998 FLT 1984-1998 FXST