so if im rebuilding a sir2 tranny.where can i get the (syncros,act)?would del sol dohc vtec & 99-00 si tranny parts fit?sir2 tranny is s4c,s80.delsol & si says y21,s21.first gear is different .this site says they're different. http://www3.honda-perf.org/community/membe...idb16/b16a.html {But the ? is .are the internal parts (syncros,act)the same?}