There was huge differances between the early and late ones, along with the muffler luggs, The later ones had higher compression heads, PDP porting, Better bushed rods, that were thicker and stronger, Better pistons, Thicker more stable sleeves, and the cranks were changed to a more scalloped shape instead of the T shape, plus the metal was better in the later ones, unless you got a real chromed ST, most had "chromed" cast into the case, but most were bot
Randy
Topic: A question about ST 60 (Read 870 times)