ATHENA cast piston kit for 2-stroke OE cylinders, engineered to match OEM reliability even under extreme riding conditions. High-silicon aluminum construction helps deliver durable, consistent performance.
This ATHENA Cast Piston Kit is designed for 2-stroke OE cylinders and built to handle demanding use where heat, load and sustained RPM can quickly punish engine components. Made from a special high-performance aluminum alloy with a high silicon content, it’s engineered to provide OEM-like reliability and stable performance—ideal for restoring crisp compression and dependable power delivery.
When your piston is worn, scuffed, or losing compression, a quality piston kit is the fastest way to bring your top end back to life. This kit has been dynamometer-tested under progressive stress loads and validated on track to ensure it performs even in extreme conditions.