Cosworth CNC Ported Cylinder Heads


$ 4,827.00
SKU KK3918

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CNC Ported Cylinder Heads by Cosworth 

Cosworth VQ35 CNC ported cylinder heads features dyno tested and flow bench proven ports, engineered for maximum real power. Each new cylinder head is ported on a 5 axis machine to ensure consistency and perfect port shape every time. Larger intake and exhaust valve by 1mm. Cosworth CNC ported big valve cylinder heads comes complete with a performance valve job, that can rev up to 10,500 rpm. Perfrect for big turbo applications or strong normally aspirated engines. Cylinder headers are priced for the pair. Here is the list of items that are done to the cylinder head:

Features
  • CNC Ported/machine finished ports - New OE Casting
  • Hand blended finish work
  • Intake 19% Increased flow
  • Exhaust 22% Increased flow
  • 4 angle Inlet valve job
  • 3 angle  &  radiused exhaust valve job
  • Valves are lapped
  • Back-Cut Inlet Valves
  • Heads are ultra sonic cleaned prior to assembly
  • Heads are serialized and sport a machined Cosworth log.
  • +1 mm Stainless Steel Intake Valves
  • +1 mm Inconel Exhaust valves
  • Performance valve springs
  • Titanium retainers
  • Hardened steel springs platforms
  • Knife edge port divider
  • Compatible with REV-UP Engines

Vehicle Applications

  • 2003-2006 Nissan 350Z
  • 2003-2007 Infiniti G35 Coupe
  • 2003-2006 Infiniti G35 Sedan

Note

  • These heads are compatible for both versions of the VQ35DE including the Rev up version.
  • Use with Cosworth camshafts for best results.

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