Forged Piston Set, 9.5:1 Compression, -5.1cc Dish

The CP Carrillo CP-SC7513 forged piston and ring set is meticulously designed to deliver exceptional durability and performance, specifically tailored for custom-built engines targeting higher power outputs. These pistons are crafted from high-strength aluminum forgings and boast a 77mm bore size with a compression ratio of 9.5:1 and a dish/dome volume of -5.1cc. The design incorporates a deep valve relief depth to accommodate high-lift camshafts and is tailored to work with +1mm oversized valves, enhancing engine capabilities. Key features include a custom skirt cam and barrel design for improved reliability, accumulator grooves for better efficiency, double pin oilers, and a force-fed oil ring for optimal lubrication. The set is fully CNC-machined and balanced for precision, and includes wrist pins. This product is not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board. The pistons are designed for MINI models including the John Cooper Works, S, S Clubman, and WC50 variants from 2007 through 2012, typically equipped with the N14 1.6L engine.