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...

Reestablish the legendary hit of your Honda power plant with the L.A. Sleeve H5318. This replacement liner is forged from high-tensile chrome-moly alloy, offering a significant endurance boost over...

Give your small-bore Honda a second life with the L.A. Sleeve H5291, the ultimate solution for worn or damaged 125cc cylinders. This premium liner is crafted from a high-grade chrome-moly alloy that...

Keep your Honda CR250R at the front of the pack with the L.A. Sleeve H5198, a high-performance liner built for the iconic quarter-liter two-stroke. This sleeve is manufactured from a specialized...

Tame the legendary power of your open-class machine with the L.A. Sleeve H5077, a heavy-duty cylinder liner engineered specifically for the Honda CR500R. Fabricated from a rugged chrome-moly alloy,...