S&S Cycle 70-84 BT 86in Stock Bore Stroker Kit

The S&S Stock Bore Stroker Kit is an economical way to increase the displacement of your engine. This S&S 84 in. stock bore Hot Set Up Kit upgrades 74 in. & 80 in. Shovelhead engines to 86 in. displacement at approximately 9.4:1 or 8:1 compression