Manufacturer Mitsubishi

Kit Part Number 9503

Engine Code 4G63

YOM From 2003

YOM To         2007

Piston number K9503D050, K9503D100, K9503DA

Bore Size 85.5mm – K9503D050, 85mm – K9503DA, 86mm – K9503D100

Stroke         88mm

Compression Height 28.3mm

OEM Comp Ratio 8.8:1

Number of Rings 3

OEM Rod Length 150mm

Clip Part Number CW22

Pin Size 22mm

Pin Part Number WP046

Cylinders 4

Valves Per Cylinder 4

Con Rod Length C/C 156mm

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.