Manufacturer

Mercedes

Kit Part Number

K9524

Engine Code

M133 DE 20 AL

YOM From

2019

YOM To

current

Piston number

K9524DA

Bore Size

83.5mm – K9524D050, 83mm – K9524DA

Stroke

92mm

Compression Height

30.2mm

OEM Comp Ratio

9.0:1

Wossner compression ratio: 

9.5:1

Number of Rings

3

OEM Rod Length

138.7mm

Clip Part Number

CW22

Pin Size

22mm

Pin Part Number

WP098

Cylinders

4

Valves Per Cylinder

4

Suits Wossner Con Rod

G0357

Con Rod Length C/C

138.7mm

Wossner piston ring: 830XPY-3

PEC forged con rod: GO356

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.