82.5mm 4.0T V8 Forged Pistons Kit for AUDI 4.0TFSI S6 S7 A8 Iron Sleeved Needed

AUDI 4.0TFSI S6 S7 A8 S8. Forged Pistons Technical Features of Hench Performance Forged Pistons. Moly Coated on skirt for reducing friction of piston and cylinder wall. CNC machining for superior tolerances, precise as much as 0.005mm.