HARLEY 88 inch Evolution Big Bore Cylinder Kit Silver Fits 1984-1994 FXR, 1991-1998 FXD, 1986-19

Increase your stock Evolution engine with our 88 inch cylinder kit. Our kit includes two 3-5/8 inch 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. FITS HARLEY: 1984-1994 FXR, 1991-1998 FXD, 1986-1998 FLST, 1984-1998 FLT, 1984-1998 FXST,