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 VW Golf 3 / Vento / Passat / GTI 2.0Ltr. 16V Turbo (150PS) 83.0mm bore. This particular kit fits the ABF engines found in any VW Golf 3 / Vento / Passat / GTI 2.0Ltr. 16V Turbo (150PS) 82.5mm bore. 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 # K9204DA