BMW M5 E34 3.8 S38B38 WISECO PISTONS

Part number FCPPA8450V8FSI
FCP Engineering forged pistons kit (8 pcs.) CR 9.5:1 84.50mm (STD)
Audi S6, S7, S8, RS6 C7, RS7 – 4.0 32V TFSI V8 Biturbo

81MM CR 8.5:1
81.5MM CR 8.5
82MM CR 8.5
Part number FCPPA810085/18T
FCP Engineering forged piston kit (4 pcs.)
Audi / VW 1.8T 20V engines