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MAST LS7 Big Bore Cylinder Heads

  • MAST LS7 Big Bore Heads
  • MAST LS7 Combustion Chamber
  • MAST LS7 Intake Port
  • MAST LS7 Exhaust Bowl
  • MAST LS7 Intake Bowl
Your Price:
$1,989.99 (You save $10.00)
50.00 LBS
Calculated at checkout

Product Description

MAST Motorsports LS7 Big Bore Cylinder Heads

MAST Motorsports has refined and reworked the powerful GM LS7 cylinder head design and created their LS7-BB castings. This cylinder head features higher flow than any CNC ported OEM LS7 head with their 5 axis CNC precision porting and 3D solid modeling of the ports during their inception.

All you need is the shortblock that can handle the power they can deliver.

MAST LS7-BB Features:.

• Utilizes the Gen IV LS7 valvetrain and intake manifold
• Designed for any new Gen IV short-block with 4.125" or larger bore
• 2.200" intake valve and 1.600" exhaust valve
• Minimum deck thickness of .75"
• Fully CNC profiled combustion chamber

Each Mast Black Label cylinder head assembly includes:

• A fully CNC machined aluminum cylinder head
• PAC Racing .650" Lift Dual Springs
• Lightweight stainless steel intake & exhaust valves
• Lightweight chromemoly steel retainers
• Hardened and machined valve locks

• •  NOTE:  Gaskets, valve covers, rocker arms and push rods not included




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