Ditch the unreliable factory coatings for the permanent strength of the L.A. Sleeve H5365. This 90mm standard bore liner is machined from high-grade chrome-moly alloy, offering a resilient surface that handles the extreme friction and heat of...

Give your 1988-2006 Yamaha Blaster a performance overhaul with the L.A. Sleeve YA5035, the gold standard for restoring two-stroke snap. This 66.00mm standard bore liner is cast from high-wear chrome-moly alloy, providing a rugged, re-boreable alternative...

Eliminate the frustration of damaged factory plating with the L.A. Sleeve H5630, a heavy-duty liner designed to provide a lifetime of reliable service. Forged from high-tensile chrome-moly alloy, this sleeve offers a superior wear surface that handles...

Maximize your engine's displacement potential with the L.A. Sleeve YA7018, a premium 100mm standard bore liner built for high-output four-stroke performance. Constructed from high-integrity chrome-moly alloy, this sleeve provides a much tougher...

Precision-engineered to rescue damaged or worn cylinders, the L.A. Sleeve YA5231 provides a high-strength chrome-moly alloy foundation for your next engine rebuild. This replacement liner features a centerless-ground exterior, guaranteeing an exact...

Give your engine a second lease on life with the L.A. Sleeve YA5024, a heavy-duty replacement liner that replaces compromised cylinder walls with rugged chrome-moly alloy. Specifically designed for those looking to maintain a 83mm standard bore, this...

Keep your classic workhorse in the field with the L.A. Sleeve KA5063, the premier choice for overhauling your 1988-2002 Kawasaki Bayou engine. This replacement liner utilizes a high-density chrome-moly alloy to offer a resilient alternative to worn-out...

Bolster your engine’s top end with the L.A. Sleeve KA5592, a premium replacement liner designed to restore peak mechanical efficiency. This 85.00mm standard bore sleeve is manufactured from high-grade chrome-moly alloy, providing a significantly...

Conquer the powder with confidence by installing the L.A. Sleeve FL1276, a high-end replacement liner specifically crafted for Ski-Doo two-stroke engines. This chrome-moly alloy sleeve stands out with a dedicated O-ring groove integrated into the top...

Breathe new life into your motocross engine with the L.A. Sleeve KA5611, specifically engineered for the 2006-2019 Kawasaki KX250F. This rugged chrome-moly alloy sleeve serves as a high-strength alternative to Nikasil plating, offering a dependable...

Transform your Kawasaki KLX450’s performance with the L.A. Sleeve KA5607, a high-performance liner designed to surpass OEM durability. Built from high-tensile chrome-moly alloy, this sleeve provides an exceptionally stable bore that resists warping...

Engineered for riders who demand uncompromising reliability, the L.A. Sleeve H5597 is the ultimate remedy for a compromised Honda CRF250 engine. This heavy-duty chrome-moly alloy liner replaces damaged plating with a robust, re-boreable surface,...