Optimize your liquid-cooled engine with the L.A. Sleeve FL5564, a heavy-duty replacement liner designed for high-performance single-cylinder setups. Forging a path between durability and precision, this chrome-moly alloy sleeve provides a rugged internal...

Rebuild your 644cc powerhouse with the uncompromising strength of the L.A. Sleeve H5160 Cylinder Sleeve. Engineered from premium chrome-moly alloy, this sleeve is built to withstand the intense thermal stress of high-displacement four-stroke engines. By...

Bring your engine back to life with the L.A. Sleeve Four-Stroke Cylinder Sleeve (H5293), the industry standard for durable engine restoration. Crafted from high-grade chrome-moly alloy, this replacement sleeve offers superior wear resistance and heat...

Precision meets durability in the L.A. Sleeve Four-Stroke Cylinder Sleeve (YA5495). Specifically engineered for Cylinder No. 5TA, this high-performance sleeve is the professional’s choice for restoring engine efficiency. Constructed from rugged...

Give your motor a second life with the L.A. Sleeve Four-Stroke Cylinder Sleeve (FL5437). This essential component is crafted from high-grade chrome-moly alloy, providing a tough-as-nails surface that resists scuffing and wear better than stock setups...

Bring your machine back to its peak potential with the L.A. Sleeve Four-Stroke Cylinder Sleeve (YA814). This heavy-duty sleeve is forged from a premium chrome-moly alloy, offering the structural integrity and heat dissipation required for high-stress...

Keep your engine running like new with the L.A. Sleeve Four-Stroke Cylinder Sleeve (FL5430). Engineered for riders who demand longevity and precision, this sleeve is manufactured from a high-quality chrome-moly alloy that provides superior wear...

Stop settling for stock performance and give your ride the extra muscle it deserves. The L.A. Sleeve Big Bore Sleeve (H5445) is the ultimate upgrade for riders looking to transform their 400cc machine into a 440cc powerhouse (on some models). Crafted...

Side Cover Clutch Gaskets are precision-cut from factory materials and match OE specs to ensure proper fit, seal and performance.

Hot Cams Shim Kit includes 3 shims of each size, all made from 4140 cold rolled steel for high strength and uniformity of hardness.

Hot Cams Shim Kit includes 3 shims of each size, all made from 4140 cold rolled steel for high strength and uniformity of hardness.

Hot Cams Shim Kit includes 3 shims of each size, all made from 4140 cold rolled steel for high strength and uniformity of hardness.