CP piston and ring set for Audi/Volkswagen 1.8L 20‑valve engines includes four pistons sized to an 81.0mm bore in standard (STD) dimensions with a 9.5:1 compression ratio. Supplied as a matched set of four with rings, this kit provides the correct piston dimensions and ring components needed to rebuild the 1.8L 20V engine to factory bore specifications.
CP Piston & Ring Set for Audi/VW 1,8L 20 Valve - Bore (81.0mm) - Size (STD) - CR (9.5) - Set of 4