CP Piston & Ring Set for Subaru EJ20 WRX - Bore (92.5mm) - Size (+0.5mm) - CR (8.5) *SINGLE PISTON*

This listing is for a single CP Pistons forged piston designed for the Subaru EJ20 WRX engine. It features a 92.5mm bore size, which is 0.5mm over the standard size, and a compression ratio of 8.5:1. This piston is a solid option if you're rebuilding or modifying your EJ20 engine and need a well-built replacement part.

CP Pistons are known for their strong construction, and this forged piston is no exception. Forging makes the aluminum stronger and more resistant to the stresses of high-performance engines. The 8.5:1 compression ratio is a notable change from stock, often chosen for builds that plan to use boost or require a more robust engine assembly. This specific piston is 0.5mm larger than the factory bore, which is useful when an engine block needs to be bored out to clean up cylinder walls or to achieve a specific displacement.

Please be aware that this part is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and compatibility with your specific engine build.