Frankenstein Boost Monster M311 273cc Cylinder Head Set

$3,599.96

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Fully CNC Ported, 72cc Chamber Volume

273cc Intake Port, 112cc Exhaust Port and 11° Valve Angle

High Quality Components:

  • CHE Bronze Guides
  • Inconel Exhaust Valves
  • Black Nitride Stainless Steel Severe Duty Intake Valves
  • Custom PAC .700” Lift Valve Springs
  • Titanium Retainers
  • O-Ringed Exhaust Ports (Hi-Temp Silicone O-Rings Included)
  • 2″ Headers Recommended

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