S&S, 88"/1436cc 3-5/8" big bore cylinder & piston kit 84-99 Evo B.T. (NU)

Natural aluminum finish Fits stock 84-99 Evo Big Twins with 4-1/4" stock stroke flywheels. Comes complete with 5.375" (stock length is 5.550") 3-5/8" Big Bore cylinders forged pistons rings wrist pins and head & base gaskets. Compression ratio 9.2:1. Engine life can be expected to be very good due to the stock stroke. Note: Due to the shorter than stock cylinders a special S&S Super E manifold (MCS 951095) and shorter S&S pushrods (MCS 905081) must be purchased separately. Note: Crankcase spigots must be bored for 3-5/8" cylinders. 84-99 Evo B.T. (NU)