Mast Motorsports "BLACK LABEL" Cylinder heads....
Accepts Gen IV LS3 valvetrain, valves, and intake manifolds.
Uses a 2.165" Intake Valve and 1.600" Exhaust Valve
Has a 256cc Intake Port and 89cc Exhaust Port
Has a 69cc Combustion Chamber Standard
Has a deck thickness of .750"
Industry's first aftermarket 12 Degree LS3/L99 bolt on cylinder head.
Flow Data w/ 4.070" Bore Plate
Lift | Intake | Exhaust
.100 | 77 | 56
.200 | 148 | 118
.300 | 237 | 165
.400 | 295 | 208
.500 | 328 | 227
.600 | 351 | 235
.700 | 370 | 241
Stay tuned for the build thread.
