Visually they definitely look different. I haven’t actually measured so I will do that tomorrow. The “new” one visually looks bigger. It doesn’t taper off as slow as my old one. Good information on the stamped letters tho. Thank you for that.
The length seems to be the same. It is actually the diameter of it. My original is labeled C and the “new” one is labeled D. I tried to install it and it would not go in. Splines were lined up because I verified by spinning the motor by hand and the splines turned with it.
Recently destroyed my upper Alpha 1 Gen 2 1.81ratio on my 93 Manta Ray. I believe it was the original apparently had some slack in it and jumped a tooth or something. Anyways it’s gone. So I ordered a used one off eBay. I know should have went SEI but I didn’t so I’m here now. The upper I...