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Wossner Pistons

Wossner 405 MI16 1.9 16v High Comp Forged Piston Kit (K9042)

405 MI16 1.9 16v High Comp Forged Piston Kit.

Manufacturer kit reference: K9042

Technical specifications

Engine Code XU9J4
YOM From 1987
YOM To 1992
Bore Size 83.5mm – K9042D050 , 83mm – K9042DA , 85mm – K9042D200
Stroke 88mm
Compression Height 38mm
OEM Comp Ratio 10.4:1
Number of Rings 3
OEM Rod Length 143mm
Clip Part Number CW22
Pin Size 22mm
Pin Part Number WP009
Cylinders 4
Valves Per Cylinder 4
Suits Wossner Con Rod G0066
Con Rod Length C/C 143mm

Piston specifications by size

Piston reference Piston diameter Compression ratio Capacity
K9042DA 82.93mm 11.8:1 1904cc
K9042D050 83.43mm 11.93:1 1927cc
K9042D200 84.93mm 12.3:1 1997cc

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

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