Manufacturer Ford

Kit Part Number K9543

Engine Code YBB, YBD, YBG, YBJ, YBP, YBT

YOM From 1985

YOM To         1996

Piston number K9543D045, K9543D070

Bore Size 91.25mm – K9543D045, 91.5mm – K9543D070

Stroke         77mm

Compression Height 33mm

OEM Comp Ratio 8:1

Number of Rings 3

OEM Rod Length 128.5mm

Clip Part Number CW24

Pin Size 24mm

Pin Part Number WP137-SP

Cylinders 4

Valves Per Cylinder 4

Suits Wossner Con Rod G0023

Con Rod Length C/C 136mm

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.