LA Sleeve Yamaha 350cc ATV models: YFM350 Warrior 1987-2005 / YFM350 Big Bear (2x4 / 4x4) 1987-1999 / YFM350 Grizzly 2007-2014 / YFM350 Wolverine 1995-2009

LA Sleeve – Precision Engine Components You Can Trust

LA Sleeve is a globally recognised leader in high-performance cylinder sleeves and engine components, trusted by engine builders, racers, and OEMs for decades. Manufactured in the USA using advanced materials and precision machining, LA Sleeve products are engineered to deliver superior durability, heat transfer, and long-lasting performance across motorcycle, automotive, marine, and powersports applications.

Renowned for their exacting tolerances and consistent quality, LA Sleeve offers a comprehensive range of cylinder liners, piston kits, and repair solutions designed to restore or enhance engine performance. Whether you’re rebuilding a worn engine or pushing for peak performance, LA Sleeve provides the reliability and precision required to get the job done right.

Key Features:

• Premium USA-made engineering and materials
• Exceptional wear resistance and heat dissipation
• Extensive range covering multiple engine types
• Trusted by professional engine builders worldwide

When performance matters, choose LA Sleeve.