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MTM510-223 - Mast CNC Bare Cylinder Head, 11 Degree 6-Bolt Medium Bore LS1/LS6, Cathedral Port 4.000"-4.070" 245cc, Single

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

Availability: Special Order Item
Pricing: $1,187.88


  • Designed for any new Gen IV 6.0L or 6.2L engine including LS3, L99, L92, L76, LY6, LSA, and LS9 • Perfect for LS1 / LS6 stroked short blocks • Available as packages for LS3 Camaro, Corvette, L99 Camaro, & L76 Pontiac G8 • Accepts Gen IV LS3 valvetrain, valves, & Cathedral Intake manifolds • Uses a 2.165" intake valve and 1.600" exhaust valve • Has a 245cc intake port • Has a 70cc combustion chamber standard • Has a deck thickness of .750"
  • Application List


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    • 25.0 lbs.

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