MAST Black Label LS3 6-Bolt CNC Ported Large Bore Heads

$3,299.99

Each Mast Black Label cylinder head assembly includes:

• A fully CNC machined Mast Black Label aluminum cylinder head
• Mast micro finished .700" Lift Dual Springs
• Mast lightweight stainless steel intake & exhaust valves
• Mast lightweight steel retainers
• Mast machined locks
   • •  NOTE:  Gaskets, valve covers, rocker arms and pushrods not included
SKU
MAST510-304

•  Utilizes the Gen IV LS7 OEM rockers, but accepts the LS3/L76 intake manifold
•  Designed for any new Gen IV short-block with 4.125" bore or larger
•  The 6-bolt design is compatible with GM LSX and World LSX blocks
•  Uses a 2.200" intake valve and 1.600" exhaust valve
•  Has a 280cc intake port
•  Has a deck thickness of .750"
•  Has a 70cc Combustion Chamber Standard

Each Mast Black Label cylinder head assembly includes:

• A fully CNC machined Mast Black Label aluminum cylinder head
• Mast micro finished .700" Lift Dual Springs
• Mast lightweight stainless steel intake & exhaust valves
• Mast lightweight steel retainers
• Mast machined locks
   • •  NOTE:  Gaskets, valve covers, rocker arms and pushrods not included
 
Flow Data w/4.125" Bore Plate
Lift Intake Exhaust
0.100 78 55
0.200 147 108
0.300 227 159
0.400 300 200
0.500 352 228
0.550 366 236
0.600 380 243
0.650 384 249
0.700 387 252
More Information
SKU MAST510-304
Manufacturer Mast Motorsports
Application Guide All GenIII powered GM Vehicles
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