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Wossner Pistons

Ford Focus ST 2.5 Duratec I5 Turbo Wossner Forged Piston Kit 

Wössner Focus ST 2.5 20v Turbo 5cyl Forged Piston Kit.

Kit reference: K9276

Bore size: Please confirm the required bore size before ordering. This kit reference does not identify an individual piston size.

Technical specifications

Engine Code HYDA / HUWA
Model years from 2005
Model years to 2012
Bore Size 83.5mm – K9276D050 , 83mm – K9276DA , 84mm – K9276D100
Stroke 93.2mm
Compression Height 28.4mm
Number of Rings 3
Piston pin diameter 21mm
Number of cylinders 5
Valves Per Cylinder 4

Piston size specifications

Piston reference Piston diameter Compression ratio
K9276D050 83.43mm 9.0:1
K9276D100 83.93mm 9.0:1
K9276DA 82.93mm 9.0:1

Piston diameter and cylinder bore are different measurements. Confirm engine specification, compression ratio and the correct size before ordering.

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