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Wossner Pistons

Wossner Golf Gti Mk1 & Mk2 1.8 8v High Comp Forged Piston Kit (K9028)

Golf Gti Mk1 & Mk2 1.8 8v High Comp Forged Piston Kit.

Manufacturer kit reference: K9028

Technical specifications

Engine Code 1P/ 2H/ ABS/ ADZ/ GU/ GX/ HV/ JV/ DS/ DX/ DZ/ EV/ GZ/ KT/ HAT/ JH/ PB
YOM From 1982
YOM To 1989
Bore Size 81.5mm , 81mm , 82.5mm , 82mm , 83.5mm , 83mm
Stroke 86.4mm
Compression Height 32.2mm
OEM Comp Ratio 10:01
Number of Rings 3
OEM Rod Length 144mm
Clip Part Number CW20
Pin Size 20mm
Pin Part Number WP052
Cylinders 4
Valves Per Cylinder 2
Suits Wossner Con Rod G0049
Con Rod Length C/C 144mm

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9028D200 82.93mm 11.81:1 1869cc
K9028D050 81.43mm 11.42:1 1802cc
K9028D100 81.93mm 11.55:1 1824cc
K9028D150 82.43mm 11.68:1 1847cc
K9028D250 83.43mm 11.94:1 1892cc
K9028DA 80.93mm 11.3:1 1780cc

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

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