Originally Posted by TheSatinPumpkin
i think ATI did a harmonic dampener for 4G's but don't quote me. I run the Summit c2516 on my 3G.
unless something popped up recently then that's still correct but I'm not even sure the ATI will fit because they just list a "5.7 HEMI truck length". There is no distinction between 3rd gen and 4th gen. I know from holding both model pulleys that they are different.