Free Uk Delivery available

Cosworth Pistons are manufactured entirely in house in the UK. Produced from 4032 alloy, the Cosworth Duratec piston features a unique, light-weight skirt profile along with valve relief pockets. Kit includes four pistons with pins, pin clips and piston ring set.

Bore size: 87.5mm
Compression ratio: 11:1 (2.0), 12:1 (2.3) - using a 0.4mm thick head gasket.

Top ring - 0.99mm. Suggested ring gap 0.30-0.36mm
Second ring - 1.18mm. Suggested ring gap 0.25-0.31mm
Oil control ring - 2.415mm. Suggested ring gap 0.20-0.70mm
Piston to bore clearance - measure the piston size at 19.64mm from bottom of the skirt. Recommended clearance is 0.074-0.114mm (0.003-0.0045").
Piston to valve clearance: due to the infinite combinations of valve, piston, head and gasket combinations, the piston to valve clearance must be checked and be at least 0.040".
More Information
Part NoKK3706
Fits Engine TypeFord Duratec HE I4
Product GroupPistons - Forged
Replaces Part NosKK3460
Stock StatusNo Longer Available
Fits Engine MakeFord
Brand LogoCosworth
Shipping & Delivery

We aim to dispatch all stocked orders either same day (Monday-Friday) or by the following working day (subject to time of order). Orders are shipped by DHL courier service.

For orders that require a guaranteed quick delivery, please contact our sales staff directly by phone who can advise further on your request.

Shipping Prices UK

All orders under £250 will be sent by DHL courier service
Up to 3kg £8.00
3kg-20kg £9.60

All UK orders over £250 are shipped free of charge by DHL.

Shipping Prices Overseas

All deliveries are sent by DHL courier service. Most European countries have the option of an Economy Road Service (with prices starting from £26.00) and Express Air Service. All non-European countries are sent by DHL Air Express. To get a quote for shipping, simply enter the items into the cart, click on ‘My Cart’ and select your country. You do not need to be logged in to use this service.

Note: we are unable to export dangerous goods such as aerosol cans and such items must be removed from the cart before you can proceed with your order.

Cosworth Pistons are manufactured entirely in house in the UK. Produced from 4032 alloy, the Cosworth Duratec piston features a unique, light-weight skirt profile along with valve relief pockets. Kit includes four pistons with pins, pin clips and piston ring set.

Bore size: 87.5mm
Compression ratio: 11:1 (2.0), 12:1 (2.3) - using a 0.4mm thick head gasket.

Top ring - 0.99mm. Suggested ring gap 0.30-0.36mm
Second ring - 1.18mm. Suggested ring gap 0.25-0.31mm
Oil control ring - 2.415mm. Suggested ring gap 0.20-0.70mm
Piston to bore clearance - measure the piston size at 19.64mm from bottom of the skirt. Recommended clearance is 0.074-0.114mm (0.003-0.0045").
Piston to valve clearance: due to the infinite combinations of valve, piston, head and gasket combinations, the piston to valve clearance must be checked and be at least 0.040".
More Information
Part NoKK3706
Fits Engine TypeFord Duratec HE I4
Product GroupPistons - Forged
Replaces Part NosKK3460
Stock StatusNo Longer Available
Fits Engine MakeFord
Brand LogoCosworth
Shipping & Delivery

We aim to dispatch all stocked orders either same day (Monday-Friday) or by the following working day (subject to time of order). Orders are shipped by DHL courier service.

For orders that require a guaranteed quick delivery, please contact our sales staff directly by phone who can advise further on your request.

Shipping Prices UK

All orders under £250 will be sent by DHL courier service
Up to 3kg £8.00
3kg-20kg £9.60

All UK orders over £250 are shipped free of charge by DHL.

Shipping Prices Overseas

All deliveries are sent by DHL courier service. Most European countries have the option of an Economy Road Service (with prices starting from £26.00) and Express Air Service. All non-European countries are sent by DHL Air Express. To get a quote for shipping, simply enter the items into the cart, click on ‘My Cart’ and select your country. You do not need to be logged in to use this service.

Note: we are unable to export dangerous goods such as aerosol cans and such items must be removed from the cart before you can proceed with your order.

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