1.6L 8v - 616.16 

The 616.16 category holds the only active reference for the air-cooled flat-four of the Porsche 356 SC Coupe and Cabriolet (95bhp, 1964-1965): the WOSSNER K9015DA forged piston kit. A single listing, offered in three bore sizes, 82.5mm, 83.0mm and 83.5mm, matching three compression ratios, 9.5:1, 9.6:1 and 9.7:1, with a 22mm gudgeon pin and a 27.10mm pin height. This narrow range covers the usual rebore steps of the 616/16 engine without multiplying part numbers: a straightforward choice between standard and two oversizes, for a rebuild faithful to the original 356 engine.