Love the pan, but man does that pump put out some serious pressure!!!!
There are different qualities of SS valves. We use Manley Severe Duty. Inconel exhaust valves are heavier than SS valves. They are harder on the valve train and seats. We use them with Turbo or Blown engines due to the higher exhaust temps. In a normaly aspirated engine the SS valves would be fine. Also they (inconel) are better if there is any chance of water reversion. If you are using water injected headers I would suggest inconel. If manifolds, what type? How far away from the valve is the water mixed with the exhaust?
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