MAST Black Label Catherdral 275cc CNC Ported 6-Bolt Heads

$4,148.00

Each Mast Black Label cylinder head assembly includes:

• A fully CNC machined Mast Black Label aluminum cylinder head
• Mast nitrided & micro finished .700" Lift Dual Springs
• Mast lightweight stainless steel intake & exhaust valves
• Mast lightweight steel retainers
• Mast machined locks

SKU
MAST510-324

•  Designed for any new Gen IV short-block with 4.125" bore or larger
•  The 6-Bolt design is compatible with GM LSX & RHS Blocks
•  Utilizes GM Gen IV LS7 valve train and rocker arms
•  Fits any GM LS cathedral port intake manifold
•  Uses a 2.200" intake valve and 1.600" exhaust valve
•  Has a 275cc intake port
•  Has a 70cc combustion chamber standard
•  Has a deck thickness of .750"

Each Mast Black Label cylinder head assembly includes:

• A fully CNC machined Mast Black Label aluminum cylinder head
• Mast nitrided & micro finished .700" Lift Dual Springs
• Mast lightweight stainless steel intake & exhaust valves
• Mast lightweight steel retainers
• Mast machined locks

Flow Data 275cc Large Bore
Lift Intake Exhaust
0.100 78 55
0.200 147 108
0.300 223.5 159
0.400 294 200
0.500 341 228
0.550 354 236
0.600 360 243
0.650 361 249
0.700 372 252
0.750 373 255
0.800   258
0.900   260
1.000   263
More Information
SKU MAST510-324
Manufacturer Mast Motorsports
Application Guide All GenIII powered GM Vehicles
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