Audi S4 RS4 3.0 V6 Biturbo Stroker FCP forged pistons 83mm CR 9.0 22mm pin
Part number FCPPA830090RS4STR1508.
FCP Engineering forged piston kit (6 pcs.) 83.00mm CR 9.0:1.
Audi S4, RS4 - 3.0 V6 Biturbo Stroker.
Must be used with 3.0 V6 crankshaft and 150.8mm connecting rods