Ootb stealth from a few months ago vs valve job, back cut, bowl blend.

28”, 4.375 bore, radius inlet plate, no tube on ex

Ootb:
Lift——in/ex
.100—65.7/51.8
.200–134.8/101.2
.300–197.2/135.4
.400–241.2/159.0
.450–248.7/167.1
.500–254.3/174.4
.550–256.1/179.8
.600–256.9/184.2

2 mins(or less) in the intake bowl will get it into the 260’s

Cut seats, back cut valves, blend bowls:
Lift——in/ex
.100—72.1/59.1
.200–147.6/112.2
.300–210.4/144.4
.400–254.3/166.4
.450–267.4/176.1
.500–273.7/185.9
.550–277.5/193.2
.600–280.5/198.1