The S&S 84" stock bore Hot Set Up Kit upgrades 74" panhead engines to 84" displacement at approximately 8.4:1 compression. The kit includesa dynamically balanced 4-1/2" stroke flywheel assembly complete with S&S heavy duty connecting rods and mainshafts, an S&S 514 camshaft, valve springs, adjustable chromoly pushrods, and an S&S Super E carburetor kit complete with manifold and teardrop air cleaner. Stock bore stroker kits 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. This kit requires special pistons which must be ordered separately depending on the oversize required for the stock cylinders.
Crankcases must be modified to increase crankpin nut clearance.
Crankcases and cylinders must be modified to lower the oil return passage to accomodate the increases piston travel.
This kit requires special pistons which must be ordered separately.