Porsche Piston Ring Set Goetze 99610392571

The Porsche Piston Ring Set Goetze 99610392571, manufactured by Goetze (part number 08-425100-10), is an OE supplier component designed for precise engine performance. This set is compatible with select Porsche 911 models (model years 2002-2004, submodel GT2, engine 3.6L H6, body Coupe, chassis 996t). It features standard sizing—100.00 mm, with ring widths of 1.2 mm, 1.75 mm, and 2 mm. Please note: for some engines in this fitment range, the middle ring ends will require modification for pistons with a ring stop pin. This set is not OEM. For reference, OE part number is 996 103 925 71.