[GTS340]

this is a matching number car/engine. We also slowly learned the difference from a 2008 and early 5.7 engine from the 2009 and up block changes. My Dad would always say do it right or don't do it at all. The price to get an old crank into shape ussually cost at least half of a new crank. So we purchased the approved crank and the picture tells the story.