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Duratec (2.0L/2.3L) Extrude honed & Race ported Cylinder Head - Bare

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Duratec (2.0L/2.3L) Extrude honed & Race ported Cylinder Head - Bare
[YD8031]

£1,932.36 inc. VAT
£1,610.30 exc. VAT

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Please contact for availability . 0121 661 6263

Cosworth   Free delivery within UK and EU

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Product Details

Cosworth Duratec (2.0L/2.3L) Race Ported & Machined Cylinder Head

Bare Race port and machined combustion chamber


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About Cosworth CNC Ported Big Valve Cylinder Heads

Cylinder head developmentFor over 40 years, Cosworth has been the leader in innovative multi-valve cylinder head design for both racing and high performance production cars. The Cosworth CNC Ported Big Valve Cylinder head range is the latest advancement.

Modified from new OE cylinder head castings, substantial gas flow improvements and upgraded valve train components offer superior performance for your high performance engine.

Each original cylinder head design is carefully evaluated and tested to establish the improvements required to meet the target performance level. Hours of testing and flow bench validation are used to determine the best advanced port design yielding maximum usable power and response. However, there is more to cylinder head design than just maximum flow.

CNC Valve seat cutterIt is critical that port velocity is maintained to ensure drivability and valve train components are matched to guarantee reliable performance. Once all of these factors have been tested and validated, the final port contour is digitized. Using the digitized program, we then reshape both intake and exhaust ports using a 5 axis CNC mill producing an accurate and consistent port shape every time.

In addition to re-shaping and enlarging the intake and exhaust ports, most Big Valve Cylinder heads feature a re-shaped combustion chamber to unshroud the valves increasing air flow and performance. After machining, each cylinder head receives a multi-angle high performance valve job on our precision CNC valve seat cutter.

Example of a finished cylinder headThen each cylinder head is ultrasonically cleaned, serialized and finally hand assembled with select high performance valve train components, ready to install on your engine.

  • 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

About Cosworth

Cosworth has been at the forefront of motorsport activity for over 50 years and is a brand synonymous with success. Cosworth continues to develop and supply exciting powertrain and electronics products for use at all levels of the sport, from class leading 'off the shelf' products at clubman level, through to bespoke 'state of the art' developments for the pinnacle of the sport.

Read More

Cosworth High Performance Parts are designed to deliver optimal performance for a range of the most popular production cars.

For more information regarding this brand and for full price lists and vehicle applications please click the following link - Cosworth

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Suitable For

Manufacturer Model Variant Chassis Engine Year Range Notes
Ford - - - Duratec - -
  • This product was added to our catalog on Friday 01 July, 2011.
  • Last updated Friday 21 March, 2014.

Please note: Due to fluctuating exchange rates prices may vary from those shown.
All prices will be confirmed before payment is taken. Special offers are subject to availability.

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