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MTM510-324 - Mast Motorsports Cathedral Port 12 Degree CNC Assembled Head, 275cc 6-Bolt Large Bore (4.125" +), Single

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

510-324
Availability: Special Order Item
Pricing: $1,662.95
Qty:

Description

• 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

Application List

Universal

Shipping Information

  • Item Requires Shipping
  • 30.0 lbs.

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