Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head
Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head
Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head
Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head
Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head
Mast Motorsports LS Cylinder Heads LS7 265cc 4.000"+ | Single CNC Cylinder Head

LS7 265cc 4.000"+ | Single CNC Cylinder Head

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  • $ 1,425.00
  • 6 available
Shipping calculated at checkout.

LS7 performance for your LS3 LS2 or other 4.000" or larger bore LS engine!  Ideal on stroked engines, this LS7 265 head was designed from the ground up.

  • Utilizes the Gen IV LS valve-train and intake manifold
  • Designed for any new Gen IV short-block with 4.000" bore or larger
  • Uses a 2.165" intake valve and 1.600" exhaust valve
  • 11 Degree Valve angle
  • Has a 265cc intake port
  • Has a deck thickness of .750"

 

Flow Data w/4.065" Bore Plate
Lift Intake Exhaust
0.100 82 61
0.200 151 119
0.300 230 188
0.400 292 219
0.500 332 236
0.600 352 251
0.650 360 254
0.700 365 260
0.800 369 263
0.850 370  
0.900 371  

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