S&S Cycle 32-2222 Stock Bore Stroker Kit - 84in.

Upgrades 74in. and 80in. Shovelhead engines to 84in. displacement at approximately 8.4:1 or 7.3:1 compression (depending on pistons used). Includes a dynamically balanced 4 1/2in. stroke flywheel assembly complete with S&S heavy-duty connecting rods and mainshafts. Reuse the stock cylinders, saving cost and retaining stock appearance of the engine. Minor crankcase and cylinder modifications are required that can easily be done with hand tools. Kit requires special pistons which must be ordered separately (Contact S&S for required pistons).