Manufacturer Subaru

Kit Part Number K9538

Engine Code EJ20

YOM From 1992

YOM To         1998

Piston number K9538D050, K9538D100

Bore Size 92.5mm – K9538D050, 93mm – K9538D100

Stroke         79mm

Compression Height 31mm

OEM Comp Ratio 9:1

Number of Rings 3

OEM Rod Length 130.5mm

Clip Part Number CA23

Pin Size 23mm

Pin Part Number WP143-SP

Cylinders 4

Valves Per Cylinder 4

Suits Wossner Con Rod G0012

Con Rod Length C/C 130.5mm

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.