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25534445 - CPP Bowtie Large Port Vortec Cylinder Head - Bare - 215cc Intake Runner, 65cc Exhaust Port, 65cc Combustion Chamber, Straight Plug

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Vortec Bowtie Cylinder Head

These are GM Performance parts most powerful cast iron cylinder heads designed for street or racing applications in the 400-450 HP range. As an upgraded production head, they come with bigger valves, a thicker deck surface, and a 65cc combustion chamber, which offers tremendous low-lift flow numbers. They offer you fast-burn performance in an affordable cast iron head that is often used for short track racing applications.

  • 66cc combustion chamber
  • .450" deck thickness
  • straight spark plugs
  • No heat risers
  • Machined for 2.00" intake & 1.55" exhaust valves
  • Hardened exhaust seats
  • Drilled and tapped for screw-in studs
  • Dual valve cover bolt patterns for perimeter or center bolt
  • Dual intake manifold bolt patterns, Vortec intakes & Pre 86' style race intakes (such as Victor etc.)
  • Vortec & bowtie logos are cast-in for easy identification
  • Intake port flows 281 CFM @ .600" lift
  • Use intake gasket # 12529094 for Vortec intakes or 12497760 (Dual pattern gasket for Vortec or old Style)

Application List




Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W8.7000” x H6.1000” x L21.5000”

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