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Are you talking about the 48Deg option? They leave about 1/2" more material/metal on the Intake side of the head and then it is like a W-Seires 48 deg Mopar head at that point. As a side note: This actually corrects problems with the intake manifold fitting/port alignment with the RP version of the 360-1 heads.

I was talking about the r3 blocks that were coming from Indy..it's my understanding that they were machining them there now..



You would have to ask Ryan. I know he is going to line hone the mains regardless to get the main clearance right and paralell deck it to bluprint the deck height (allowed us to order all the parts without having the block) and surface finish, and he is going to take about 40-45 pounds out of it with the CNC. Plus bore and deckplate hone to 4.21.

SRT DEMON ONE SEAT