2018+ RS3 TTRS 2.5L
Piston Features:
• 3D milling on piston crowns for ready to install finish
• Offset pins for quiet operation
• Moly skirt coating for friction loss and skirt wear protection
• Side gas ports for better ring seal
• Ratios figured for 83.0mm x .036 head gasket @ 8.661 Deck Height
• Top ring down dimension: .240"
• Premium 8620 .180W wrist pins chamfered for roundwire locks included
• Premium 1.0mm x 1.2mm x 2.8mm ring package included
• Oversized valve pockets - for larger than stock valve sizes
• Valve pocket depth: 0.110" intake and 0.095" exhaust
• 2618 material for High HP/Boost applications