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MTM510-203 - Mast CNC Bare Cylinder Head, LS3 11 Degree 4.000"-4.070" 6-Bolt 255cc Medium Bore, Single

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

510-203
Availability: Special Order Item
Pricing: $1,187.49
Qty:

Description

• Designed for LS short-blocks with 4.000" bore or larger
• The 6-Bolt design is compatible with GM LSX and World LSX blocks
• Accepts Gen IV LS3 valvetrain and intake manifolds.
• Uses a 2.165" intake valve and 1.600" exhaust valve
• Has a 256cc intake port
• Has a 69cc combustion chamber standard
• Has a deck thickness of .750"

Flow Data w/4.000" Bore Plate
Lift Intake Exhaust
0.100 74 61
0.200 146 119
0.300 222 188
0.400 282 219
0.500 330 236
0.600 360 251
0.700 372 260

Application List

Universal

Shipping Information

  • Item Requires Shipping
  • 30.0 lbs.

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