lower pistons for the 2.6 12v ABC
Ebay has an AFC 2.8 factory short block for about $500 plus shipping.
http://www.ebay.com/itm/Engine-Short-Block-Factory-Rebuilt-Audi-A4-A6-quattro-Cabriolet-2-8L-V6-AFC-/300874680862?pt=Motors_Car_Truck_Parts_Accessories&hash=item460d874a1e&vxp=mtr






