Japan-made PROX piston kit built as an OEM-spec replacement for 2-stroke engines. High-silicon aluminum alloy and CNC machining deliver precise fit and dependable service life.
Restore crisp compression and reliable 2-stroke performance with this PROX Piston Kit, manufactured in Japan and designed as a true OEM replacement. It’s cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances for consistent fitment and long-term durability.
If your top end is showing wear (loss of compression, increased blow-by, harder starting, or reduced power), a quality piston kit is the most direct way to bring the engine back to its intended performance and reliability.
⭐ Built to OEM-level standards with Japan manufacturing and precise CNC machining⭐ Complete kit content helps ensure a correct, thorough top-end service⭐ A practical choice for restoring performance without guesswork on missing parts