LS7 305 cc 4.125"+ CNC Cylinder Head

  • Sale
  • $ 1,399.99


  • Utilizes the Gen IV LS7 valve-train and intake manifold
  • Designed for any new Gen IV short-block with 4.125" bore or larger
  • Uses a 2.250" intake valve and 1.600" exhaust valve
  • Has a 294cc intake port
  • Has 70cc combustion chamber
  • Has a deck thickness of .750"

***Due to the thicker deck and higher valve cover rails some beauty covers are not compatible.  When using Corvette (Y-Body) front accessories alternator may need to be clearanced. 

Flow Data w/4.125" Bore Plate
Lift Intake Exhaust
0.100 76 65
0.200 163 118
0.300 245 171
0.400 307 212
0.500 350 229
0.600 379 245
0.650 388 247
0.700 395 249
0.800 401.5 258
0.900 406 260
1.000 410 263