i have a 94 ex with a 91 ex tranny and i used the clutch from the 91 but whats the difference between the 91 and 94 clutch? i looked on rockauto and they are both say XLT; Disc Spec: 10" OD X 1" ID X 23T, Flywheel Spec: Flat but the 94 is like 3 dollars more and is one brand better than the other?