Alright, at the risk of sounding like a complete newb, the 27mm shaft diameter = 1-1/16”. The clutches that were 1-1/8” obviously worked, but The 1-1/16 would not spline in easily. Should it be pretty tough to place it? I’ve replaced the clutch in both of my 03 Cobras, and I don’t recall it being difficult to place the clutch plate onto the input shaft like this.