S&S, 3-5/8″ repl. Zestaw tłoków Evo SuperStock. +.020″

84-99 3-5/8″ big bore Evo B.T. with S&S SuperStock heads and 4-1/4″ (std); 4-1/2″ and 4-5/8″ stroke flywheels (NU)