Wössner forged piston- and ringkit 
BMW E30 M3 - 1986-1990 -  2.3 16V all versions with S14/B23 engines
Manufacturer	BMW
Kit Part Number	K9024
Engine Code	S14 / B23
YOM From	1986
YOM To	1991
Piston number	K9024D020, K9024D040, K9024D060, K9024D080, K9024DA
Bore Size	93.4mm – K9024DA, 93.6mm – K9024D020, 93.8mm – K9024D040, 94.2mm – K9024D080, 94mm – K9024D060
Stroke	         84mm
Compression Height 32mm
OEM Comp Ratio	10.5:1
Number of Rings	3
OEM Rod Length	144mm
Clip Part Number	CW22
Pin Size	22mm
Pin Part Number	WP017
Cylinders	4
Valves Per Cylinder	4
The images are showing the AZPK9120D050 kit!
						
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