Neutral balance to a 360 crank?

RustyRatRod said

I don't remember. I used to know. I do know Mopar Performance offered a reman version of them that was REAL nice. ARP rod bolts, cintered bronze bushings. They were sought after for a while. They're still a "good bit" lighter than the standard 340/360 rods.

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They weren't reman but a special forged rod based on the 273 and made from the better 4340 material with "Mopar" forged into the beam! Eagle SIR are made from the lesser 5140. I think the Mopar Performance rod can be made lighter than Eagle H-beam rods by removing a lot of material, mainly the balance pads. I have some but never got around to trying it.