Supertech
Valves
for
the
VG30D
are
one
of
the
highest
quality
valves
on
the
market.
Stainless
Steel
for
the
intake,
and
Inconel
751
for
the
exhaust
side
since
it
tends
to
run
hotter.
*
Forged
Valves
*
Intake
Valves,
Black
Nitride
Coating,
Stainless
Steel
Alloy,
Swirled
Polished,
34.50mm
+0.5mm
Oversized.
*
Exhaust
Valves,
Inconel
751,
Nickel
based
alloy,
Higher
Temperature
Rating,
30.00mm
+0.5mm
Oversized.