84" STOCK BORE STROKER FLYWHEEL KIT

Upgrades 74" and 80" Shovelhead engines to 84" displacement at approximately 8.4:1 or 7.3:1 compression (depending on pistons used)
Includes a dynamically balanced 41/2??" 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)

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