Quote:
Originally Posted by KingLT1
Some of the stock head failures are from aggressive cam lobes causing "valve bounce" and that tears up the valve seats.
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I agree with this statement.
We use stock valves in every build that doesn't opt for titanium and we have never dropped a seat or broken a valve.
We do Spintron all of our valvetrain sets ups to insure we have the best/most durable package possible.