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.