Equip your mini-racer for the holeshot with the L.A. Sleeve FL5550, a premium solution for KTM 65 SX engine restoration. Constructed from high-strength chrome-moly alloy, this sleeve provides a...

Engineered for riders who demand consistency, the L.A. Sleeve KA5608 is the ultimate fix for a worn KX100 top-end. This sleeve utilizes a specialized chrome-moly alloy to provide a high-friction,...

Bring your vintage Kawasaki back to its peak performance with the L.A. Sleeve KA5253. This premium replacement sleeve is forged from a robust chrome-moly alloy, offering an incredibly resilient...

Restore your Suzuki’s legendary snap with the L.A. Sleeve Two-Stroke Cylinder Sleeve (FL5420). Engineered from high-density chrome-moly alloy, this sleeve provides a superior wear surface that...

Give your Suzuki the competitive edge with the L.A. Sleeve FL5346, a high-strength liner designed for riders who refuse to compromise on engine integrity. Constructed from premium chrome-moly alloy,...

Keep your Suzuki screaming on the track with the L.A. Sleeve FL5323, a high-performance liner built to replace worn-out factory plating. Forged from a specialized chrome-moly alloy, this sleeve...

Ignite your Suzuki's performance with the L.A. Sleeve FL5255, the professional choice for restoring 125cc small-bore power. Crafted from a high-density chrome-moly alloy, this sleeve provides a much...

Push your Honda’s performance further with the L.A. Sleeve FL5093, a high-grade replacement liner specifically tailored for the CR250R. This sleeve utilizes a specialized chrome-moly alloy to deliver...

The ultimate power boost, the MegaBomb Headers improve performance along the bottom and mid-range powerband. Patented FMF technology combines the benefits of a longer header, with top end peformance...

Tractor-like bottom end pull, thicker midrange and rugged 18-gauge steel construction.

The FMF Rev Pipe focuses on power delivery in the middle and upper RPMs of the powerband. If you're short on power up top, want more time between shifts and spend your time in deep berms or sand, the...

The FMF Rev Pipe focuses on power delivery in the middle and upper RPMs of the powerband. If you're short on power up top, want more time between shifts and spend your time in deep berms or sand, the...