What valves?
But since you're unning such heavy duals, I wouldn't bother. Just stick with the valves you have.
On a G5X3 there is absolutely no benefit in going that high in rpm, unless you just like to hear the motor scream
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So what's the deal? They have to make the head where the valve sits the same shape as the new valve? And a 2.00" Manley valve won't fit where a 2.00" GM valve was? I appreciate the education, guys. I know nothing about this, obviously.
Is there a beehive spring that would handle a G5X3, so that I could use lighter valves too? I hear a light valvetrain is great for power and revs.
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..... interested as well..Dual springs here..