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25534446 - CPP Large Port Bowtie Vortec Head - Complete - 225cc Intake Runner, 77cc Exhaust Runner, 65cc Chamber - Up To .530" Lift

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Availability: Replaced by 19331472


Vortec Bowtie heads

These are GM Performance parts most powerful cast iron cylinder heads designed for street or racing in the 400-450 horsepower range. As an upgraded production head, they come with bigger valves, a thicker surface deck, and a 66cc combustion chamber, which offer 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.

  • Cast iron large runner heads 225cc intake, 66cc exhaust
  • 66 cc Combustion chamber
  • .450" thick deck
  • No heat risers
  • 2.00" / 1.55 valves
  • Hardened exhaust seats
  • .530" max valve lift (as shipped)
  • Drilled and tapped for screw-in studs 7/16-14 (not included0
  • Dual intake manifold bolt patterns ( Vortec intakes are recommended, for old style intake usage, intakes such as Victors are recommended )
  • Dual valve cover bolt patterns for center bolt or perimeter covers
  • Vortec and bowtie logos are cast-in

Application List



Shipping Information

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

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