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OEM cam bearing #'s 2006 6.0 lq4

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Old 06-28-2024, 08:47 PM
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Originally Posted by 1FastBrick
Just a note on the CH-25, they were originally the replacement for around 09- up. But because they worked as a replacement for the CH-23, Durabond superseded them so they don't have to produce and stock so many part numbers. It's the same basic bearing just wider.

As mentioned the CH-10 are basically from the first LS around 98 to around 03ish. Around 04 on the Gen3 Platforum they change the head bolt length and that's when the cam bearings changed. The likely never updated what the CH-25 fit after discontinuing the Ch-23
Went back to GM and after some back and forth they did confirm they messed up. They confirmed that first series is discontinued and the second series 1,5 are discontinued. They had tried to sell me 2,4 in place of 1,5.

Went ahead and ordered the ch25 based on the measurements I got from the cam bores they look to be correct.
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