Precision-forged 4032 aluminum alloy pistons engineered for Audi A3 and SEAT Leon 1.4 TSI CAXC/CAVD turbo engines. High-strength construction withstands extreme turbocharged conditions with superior thermal conductivity. CNC-machined for exact OEM specifications including ring grooves and wrist pin bore. Features reinforced skirt design for reduced friction and extended lifespan. Direct replacement for worn or performance-upgraded EA111 engine builds. Ideal for turbo tuning projects or factory-spec rebuilds. Includes all necessary piston pin and ring grooves pre-machined. Batch-tested for consistent quality across wholesale quantities. Ships globally with bulk discount pricing for professional workshops.