Saab 9-3 - 2003-2012 - all versions with 2.8T V6 B284 engines

Saab 9-5 - 2011-2012 - all versions with 2.8T V6 B284 engines

Manufacturers: Saab, Opel / Vauxhall

Kit Part Number: K9556

Engine Code: A28, Z28

Piston number: K9556DA

Bore Size: 89mm (K9556DA)

Piston size: 88,93mm

Clearance: 0,07mm

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

Wössner is the innovative specialists for high performance pistons and conrods. Wössner products are to be found in engines operating at the highest levels of motor sport, in competition and, of course, in everyday use – in fact, anywhere where longevity

and operational noise are important factors.

Wössner products are the source of the superior power behind the success of well known motor sport teams at national and international race meets.