Unlock the full potential of your 125cc powerplant with the L.A. Sleeve YA5470. This high-performance liner is the definitive solution for restoring your Yamaha YZ250's cylinder to better-than-new condition. Utilizing a specialized chrome-moly alloy,...

Revive your Yamaha’s legendary powerband with the L.A. Sleeve YA5377, a high-performance two-stroke liner specifically crafted for the YZ250. Built from a resilient chrome-moly alloy, this sleeve provides a superior friction surface that outlasts...

Maximize your engine’s longevity with the L.A. Sleeve H5159, a heavy-duty replacement sleeve specifically engineered for high-output four-stroke engines. Forged from robust chrome-moly alloy, this liner offers a significant upgrade in structural...

Eliminate power loss and engine fatigue with the L.A. Sleeve KA5779, a premium two-stroke liner designed for ultimate durability. Constructed from high-tensile chrome-moly alloy, this sleeve provides a much tougher surface than standard castings,...

Restore your machine’s peak performance with the L.A. Sleeve Two-Stroke Cylinder Sleeve (KA5778). Engineered from high-grade chrome-moly alloy, this sleeve offers superior heat dissipation and wear resistance compared to stock liners, ensuring your...

Renew the vitality of your 475cc engine with the L.A. Sleeve H5591, a high-strength replacement liner built to withstand the rigors of heavy four-stroke operation. Constructed from premium chrome-moly alloy, this sleeve offers exceptional hardness and...

Rebuild your top end with confidence using the L.A. Sleeve YA5513, a premium replacement liner engineered for liquid-cooled four-stroke engines. Forged from high-tensile chrome-moly alloy, this sleeve provides a superior friction surface that excels...

Transform your liquid-cooled 795cc twin with the L.A. Sleeve FL1308, the definitive solution for replacing worn NiCaSil plating in Liberty Motor mono-blocks. Engineered from centrifugally cast iron alloy, this sleeve offers a much tougher, more resilient...

Get your case reed engine back in the dirt with the L.A. Sleeve FL1289, specifically engineered to fit Cylinder No. 3021333. This high-grade iron alloy sleeve provides a rugged, dependable surface that revitalizes your 77.25mm standard bore. It’s...

Restore the heart of your 794cc engine with the L.A. Sleeve FL1298, a premium two-stroke replacement sleeve designed for maximum durability. Forged from high-grade chrome-moly alloy, this liner offers exceptional resistance to the high-heat environment...

Bring back the snap and acceleration of your two-stroke engine with the L.A. Sleeve FL5551. This high-performance sleeve is forged from chrome-moly alloy, providing a much tougher wear surface than standard cast iron. It is the perfect solution for...

Rejuvenate your 998cc Rotax 1000 engine with the professional-grade L.A. Sleeve FL1291. Purpose-built to replace the original NiCaSil surface in monoblock cylinders, this chrome-moly alloy liner offers a rugged and boreable solution for high-capacity...