LT4 6.2L SC head porting.
Supercharged Gen V LT4 — same Gen V 6.2 head as our LT1, CNC-ported to feed the blower. Documented flow.
CNC ported in-house in Nashville
Flow sheet with every set
Ship them in or drop them off
$1,200per pair · both heads
Peak flow gain
+41 CFMat 0.700″ lift
Ported peak
355 CFM314 cfm stock
Price
$1,200per pair, CNC ported
Flow data
What this head actually flows.
StockCarma CNC port
Intake flow at 28″ — stock and ported, both measured on our own SF-1020 flow bench.
+41 CFM at 0.700″ lift — 314 cfm stock to 355 cfm ported, the biggest single gain on this head.
The port work
What we do to it.
Supercharged Gen V — same casting family and CNC recipe as our LT1 port (flow shown), opened to feed the blower the air it wants for real gains under boost.
The spec
Fitment and pricing.
Engine
Chevrolet LT4 6.2L SC
Configuration
Pair (both heads)
Fits
C7 Corvette Z06 · Camaro ZL1 · CTS-V · LT4 swaps
Best paired with
Upper/lower pulley, ported snout, headers, fuel.
Price
$1,200 per pair
Related
The rest of the combination.
Ship them in or drop them off.
Heads can come to us on a pallet or still on the car. Tell us the combination you are building and we will tell you honestly whether porting is the right next step for it.