These are German made forged pistons from Wossner,.. Wossner is a very well known name in Europe as a producer of very high quality forged pistons but is just becoming known here in the US. These Wossner Forged pistons are a great upgrade for any Honda.. This particular kit fits the D16 Z6 / D16 Z7 / D16 Z9 engines found in 92-95 Civics and 93-95 Del Sol's. This kit comes with four Pistons that have a low friction skirt coating, four Ring sets , 4 wrist Pins and 4 sets of wrist pin clips. Part # K9267DA