Check the listing for details. Piston Kit Cast Std Comp 55.96mm for KTM 150 SX 2009 2010 2011 2012 2013. Condition: New. Listed at 175.33 USD. Key Features and Benefits Available in Cast, Forged, Racer Elite and Pro Replica options Precision engineered for optimal performance and durability OEM replacement through to high-performance racing applications High-quality materials for improved strength and heat resistance Designed for consistent power delivery and engine efficiency Vertex piston kits are trusted worldwide for their quality, performance and reliability. Whether you're rebuilding to OEM specifications or upgrading for racing performance, Vertex offers a range of piston options to suit every application. Each piston is manufactured with precision tolerances to ensure excellent fitment, durability and engine performance. Piston kits typically include piston, rings, wrist pin and clips, or as pictured dependi.