His GenV is a whole different beast than your Gen3 5.3. That said, the cam you listed would be a really good upgrade to wake up a 5.3 without comprimising too much down low. Lift numbers are high enough to effectively utilize the flow potential of stock cathedrals and even a cheap PAC 1218 spring would be able to accommodate. What are you putting it in, trans, converter, gears?
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