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Chevrolet PERFORMANCE Bare C5R Racing Cubed Cylinder Head

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  • 355-T7 "as-cast" Aluminum racing head
  • Professional porting and machining of combustion chambers required
  • No seats or guide machining
  • C5R rectangle-port design – requires aftermarket rectangle-port intake manifolds
  • Designed for big bore (4.100" min) LS7/C5R/LSX blocks
  • 210cc "as-cast" intake ports
  • 70cc "as-cast" exhaust ports, same as production LS6
  • 30cc "as-cast" combustion chambers
  • All fasteners are metric
  • Capable of over 800 horsepower!
  • Standard LS exhaust port design


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  • Model: 25534393
  • FROM: Chevrolet PERFORMANCE

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we added this on Tuesday 19 June, 2012.

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