CP Piston & Ring Set for Audi/VW 1.8L 20V - Bore (82.5mm) - Compression Ratio (9.5:1)

If you're rebuilding the engine in your Audi or Volkswagen 1.8L 20V, a solid set of pistons is crucial for reliable performance. This forged piston and ring set from CP Pistons is built to handle the demands of a performance engine build. It features a bore size of 82.5mm and a compression ratio of 9.5:1, making it suitable for a wide range of tuning applications where improved power and durability are key.

CP Pistons are well-known in the performance world for their robust construction. These pistons are forged from high-strength aluminum alloy, which offers better resistance to detonation and fatigue compared to cast pistons. This means they can withstand higher cylinder pressures and temperatures, essential for boosted or high-revving engines. The set includes the necessary rings, ensuring you have the right components to properly seal the combustion chamber and manage oil. This specific set is designed to fit the 1.8L 20V engine found in many popular Audi and VW models.

When undertaking an engine rebuild, especially one focused on performance, using well-made internal components like these CP Pistons is a smart move. They are designed to be a direct replacement for the factory pistons, simplifying the installation process for a qualified mechanic. Remember that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.