Part number: FCPPA8450V8FSI 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: 84.50mm Compression ratio (CR): 9.5:1 Pin diameter: 22mm Stroke: 89.00mm Audi RS6 C7, RS7 - 4.0 32V TFSI V8 Biturbo
