This Wiseco piston kit is a high-quality replacement part for Ford 2.0 8V Pinto, Capri RS2000, and Sierra OHC engines. It is forged and has a 9.2:1 compression ratio, with a diameter of 93mm. The kit includes all necessary components for installation. This piston kit is ideal for those looking for a reliable and durable replacement part for their Ford engine. The Wiseco brand is known for its high standards in performance and quality, making it a reliable choice for any engine rebuild project. Compression Ratio – Actual.