ARP2000 Bolt x 8. Volkswagen 1.9 TDI. Forged Connecting Rods Forged Pistons VW 1.9 TDI PD130 PD150. Audi A3 / S3 / RS3 8L1(MK1) 1996 – 2003 Hatchback 1.9 TDI. AUDI A4 (8E,B6) 2000-2004 – 1.9 TDI. Technical Features of Hench Performance Forged Pistons.