Promaxx Billet Rods

Not that I’ve built a 3k hp engine, but I would think with 4 bolts holding the cap on. ARP 2000’s are more than enough clamp force without the possibility of hydrogen embrittlement.
 
Highwayman said:
People are going to have problems with the bolts and trash them, I'm sure.
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One of the big name tractor engine builders uses this same design, different material but two l19s per side. The 540light pro I help utilizes such n is problem free at over 3k hp
 
TheHammer said:
One of the big name tractor engine builders uses this same design, different material but two l19s per side. The 540light pro I help utilizes such n is problem free at over 3k hp
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They’re good, no doubt. There’s just a little bit of a stigma around that material (usually due to apparent mishandling). I run l19 bolts and a couple people have acted like I was using glass.


I like seeing “new” products come out, I just wish there were more people trying new things.
 
Wagler uses L19 1/2" bolts made by ARP.
Apex has two options: ARP made L19 7/16" or upgrade to ARP made 625 7/16".
Haisley's upgraded stock Cummins rod bolts are made by ARP and are 7/16" L19 material.
Carrillo uses 7/16" rod bolts not made by ARP with two material options.

Long story short, if you're afraid of L19 for an internal oil-soaked engine part that was produced in a controlled environment, you probably shouldn't leave your house in the morning because you're more likely to die in a car accident than suffer an engine failure due to L19 rod bolts....

Yes, I agree, the rod pricing war has begun!
 
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