WHAT DOES B16A2 MEAN?

I purchased my MRS 3sgte again in 2020. Parker from NW Motor s called me and informed me I used to be obtaining a just one-of-a-form, clean 3sgte motor. and he didn’t lie. I’ve received the pics to demonstrate it ahead of installation. I have not observed a motor this clear. Appears like it just came from the assembly line.I have discovered the