LS3 6.2L head porting.
Rectangle-port LS3 — bowls blended, chambers unshrouded. Our most popular LS port.
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
+67 CFMat 0.700″ lift
Ported peak
370 CFM303 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.
+67 CFM at 0.700″ lift — 303 cfm stock to 370 cfm ported, the biggest single gain on this head.
The port work
What we do to it.
Rectangle-port CNC with the bowls blended and chambers unshrouded — our most popular LS port, big top-end where a cam wants it.
The spec
Fitment and pricing.
Engine
Chevrolet LS3 6.2L
Configuration
Pair (both heads)
Fits
2008–2013 Corvette · 2010–2015 Camaro SS · G8 GXP · LS swaps
Best paired with
Cam, ported intake, 1⅞ headers. Street or strip.
Price
$1,200 per pair
Add-ons
Valve upgrades for this head.
Offered with the port work on this platform, fitted while the heads are apart.
Inconel Exhaust Valves (set of 8)Race-grade Inconel exhaust
+$263.12
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.