Finally back in stock! The newest version of the Zeda80 Firestorm Edition Triple 40 (40mm stroke, 40mm wide intake, and 40mm wide mount). Get the most recent model of the highly sought after JL Zeda 2 stroke bicycle engine kit. Why is the Zeda80 the best kit available? Click here for a technical com...

Do you have a stock motorized 2 stroke bike engine that you are ready to take to the next level? Greatly enhance your existing bike motor with this performance Dio upgrade kit. Complete add on performance kit Includes: Modified Dio cylinder 21mm OKO flat side carb (includes jet assortment) 6 flap Di...

Spring Idler Pulley Chain Tensioner, with 2 Bolts, With Bearing This performance spring idler pulley, which is also known as a spring chain tensioner, can be used with all motors including 2-stroke 48cc and 66cc/80cc plus 4-stroke 49cc engines. *Heavy Duty Metal *Reduces stress on the chain *Maintai...

These sleek and beefy Reed Valves deliver a crisp throttle response and quite a bit more torque than standard piston-ported engines. ONLY for use on 40mm intake engines. 19mm and 21mm and 23mm air intake manifold included It is for 40mm intake port cylinder use