Performer RPM Cylinder Heads For S/B Chrysler

Thanks for the great information. I was thinking of the heads as a way of getting around the issue of the limited selection of intake manifolds, but, Exeter Auto Supply have the Offenhauser 5489, so, it might be best for me to go that route. The Offenhauser was a common upgrade for such cars and it would likely match well with either a Holley 390 or Edelbrock 500 carburetor. For the most part, I want to keep the vehicle "stockish", it's just things like brakes, ignition and induction that I want to be 21st century (I suffered enough fear from crappy brakes). Do any of you have any experience with roller camshafts and rockers in the 273? I think that Lunati and Comp Cams have such hardware, don't they? For ignition, I was thinking of getting an MSD set up. Also, I was thinking about the retro looking Holley Terminator Stealth TBI. The ads say "easy to install" but, I have heard that too many times. Have any of you done an install with this hardware? Thanks again for all the great suggestions!