Twins with Twins, Anyone?

kidturbo

Piston Tester
Jul 21, 2010
2,817
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Somewhere On The Ohio
www.marinemods.us
I forgot to add this pic..
There is 1 difference noted with those studs.
17490433fe1eea2720551fb285a83ce5.jpg


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kidturbo

Piston Tester
Jul 21, 2010
2,817
1,811
113
Somewhere On The Ohio
www.marinemods.us
Okay, since no one spotted it yet in the pic above. Lets allow ARP confuse you a bit further.

I had to go instruction level to finally figure it out..

230-4201
Chevy Duramax diesel '01-'04 (LB-7), '04-pres (LLY) head stud kit

Screenshot 2026-07-25 222731.png
Next up

230-4202
Chevy Duramax 6.6L diesel custom age head stud kit

Screenshot 2026-07-25 222602.png
Then we have

230-4301
Chevrolet - Diesel - Duramax

Screenshot 2026-07-25 223051.png

And at last, our mystery l5P box

230-4302
Chevrolet - Diesel - Duramax

Screenshot 2026-07-25 225401.png
Besides the torque values higher on the CA625+ what else ya see different? :whistle:
 
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