I’m looking at a set of (95% sure) new optimizer heads.
Can you folks decipher the casting numbers for me. It has what appears to be the Navistar casting marks
S/N # 10137667
S6090 (this one could be upside down. It works both ways 0609S)
I’m looking at a set of (95% sure) new optimizer heads.
Can you folks decipher the casting numbers for me. It has what appears to be the Navistar casting marks
S/N # 10137667
S6090 (this one could be upside down. It works both ways 0609S)