Diamond’s years of working alongside top sport compact race teams have helped generate an exceptionally robust line of sport compact pistons. Race proven designs are combined with precision CNC machining, strong 2618 forged aluminum, and premium Trend Performance wrist pins to deliver unmatched durability and performance. Whether you’re looking more power, boost readiness, or chasing records and win lights on the racetrack, Diamond’s mild-to-wild sport compact line is ready to help you get there. Don’t see the exact part you need in our catalog? No problem, we can custom make you a piston to your exact specifications.