I am looking at buying an LT4 ED timing chain from a guy. He has sent me pictures and i was wondering how i can tell from the pictures whether it is an LT4 extreme duty timing chain or just a regular LT4 timing chain? Any help is greatly Appreciated, Thanks,
Dan

 

Here is a pic of the ED from Thunder's site. I don't know what the "regular" LT4 chain looks like, never seen a pic of one.

 

i thought the ex was cut from steel while the plain LT4 was a cast piece i may be wrong though.

 

I would just go ahead and get the ED set. It's only $30 more than the LT4 set through Jason Cromer ($199). Another option you might want to look at is the Lunati set, part # LUN-93094, $107.69 through Summit.