This engine piston and ring set includes 4 pistons with matching rings, designed for vehicles equipped with EA888 2.0 TSI/TFSI DOHC 16V engines.The pistons feature a standard 82.5mm bore diameter and a 21mm piston pin diameter.Specifications: - Piston Diameter: 82.5mm (STD) - Pin Diameter: 21mm - Ring Thickness: 82.5x1.2mm, 82.5x1.5mm, 82.5x2.0mm - Retaining Clip Size: 21x1.5mm Package Includes: - 4 Pistons - 1 Set of Piston Rings - 4 Piston Pins - 8 Piston Pin Retaining Clips Compatible with the following vehicles equipped with EA888 engines and 21mm piston pins: A3 (2008–2011.5), A4 (2009–2011.5), A4 Allroad (2010–2011.5), A5 (2008–2011.5), Q5 (2009–2011.5), TT (2007–2010), (2009–2011.4), CC (2009–2011.5), Superb (2008–2011.5), SEAT Altea (2007–2010), Leon (2007–2010).