Part number: FCPPA830085RS4STR1508 Manufacturer: FCP Engineering Forged high performance pistons for various applications in nearly all engine types for racing and street use. Made of 4032-T6, piston skirt is molibden coated. Each set of pistons also includes rings and HD series pins. Bore size: 83.00mm Compression ratio (CR): 8.5:1 Compression height: 30.80 mm Pin diameter: 22mm Stroke: 92.80mm Audi S4 RS4 - 3.0 30V Stroker Biturbo
Part number: FCPPA830090RS4STR1508 Manufacturer: FCP Engineering Forged high performance pistons for various applications in nearly all engine types for racing and street use. Made of 4032-T6, piston skirt is molibden coated. Each set of pistons also includes rings and HD series pins. Bore size: 83.00mm Compression ratio (CR): 9.0:1 Compression height: 30.80 mm Pin diameter: 22mm Stroke: 92.80mm Audi S4 RS4 - 3.0 30V Stroker Biturbo