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Wossner Pistons

Wossner Vectra VXR & Saab 2.8 V6 Turbo Forged piston kit (K9556)

Vectra VXR & Saab 2.8 V6 Turbo Forged piston kit.

Manufacturer kit reference: K9556

Technical specifications

Engine Code A28 , Z28
Bore Size 89mm – K9556DA
Stroke 74.8mm
Compression Height 31.9mm
OEM Comp Ratio 9.5:1
Number of Rings 3
OEM Rod Length 155.8mm
Clip Part Number CW24
Pin Size 24mm
Pin Part Number WP022-SP
Cylinders 6
Valves Per Cylinder 4

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9556DA 88.93mm 9.5:1 2797cc

Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.

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