LS7 305cc 4.125"+ | Single CNC Cylinder Head

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  • Regular price $ 1,425.00
  • 4 available
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  • 2.250" Intake Valve Diameter
  • 1.600" Exhaust Valve Diameter
  • 70cc Combustion Chamber
  • 45 Degree Seat Angles
  • Has a deck thickness of .750"
  • 5.450" Valve Length Recommended for Hydraulic Applications
  • Use's Factory LS7 Rocker Arms with our Billet Stands or Jesel/T&D Shaft Rockers
  • Utilizes the Gen IV LS7 valve-train and intake manifold
  • Designed for any new Gen IV short-block with 4.125" bore or larger

***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

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