Big Valve Cylinder Heads

  • All new OE Castings
  • Enlarged intake and exhaust ports
  • Large diameter stainless steel intake valves
  • Large diameter inconel exhaust valves
  • Hi-rev, dual valve springs
  • Titanium retainers
  • Hardened steel spring platforms
  • Reshaped combustion chamber on most applications
  • Flow bench proven design
  • Dynamometer tested
  • Machined Cosworth logo
  • Precision multi-angle valve job
  • Pre-assembled, ready to install
  • Machined port bore finish
  • Knife edge port divider
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