WHAT DOES HONDA B16B MEAN?

I bought my MRS 3sgte back in 2020. Parker from NW Motor s known as me and instructed me I had been getting a one particular-of-a-kind, cleanse 3sgte motor. and he didn’t lie. I’ve obtained the photos to prove it ahead of set up. I have not observed a motor this cleanse. Appears like it just came from the assembly line.When each the B and K-ser