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Wossner Pistons

Wossner A45 AMG 2.0 16v Turbo Forged Piston Kit With Hard Anodised Crown (K9524)

A45 AMG 2.0 16v Turbo Forged Piston Kit With Hard Anodised Crown.

Manufacturer kit reference: K9524

Technical specifications

Engine Code M133 DE 20 AL
YOM From 2019
YOM To current
Bore Size 83.5mm – K9524D050 , 83mm – K9524DA
Stroke 92mm
Compression Height 30.2mm
OEM Comp Ratio 8.6:1
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

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9524DA 82.93mm 8.6:1 1990cc
K9524 83.43mm 8.6:1 2015cc

Piston diameter and cylinder bore are different measurements. Select the correct size and confirm the engine specification before ordering.

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