Malossi MHR Multivar 2000 Variator Kit for Kymco AK550 SPECIFICATIONS: Further widened gear range (especially short gear) Improved shifting consistency Hard anodized – black Modified roller guides to allow greater operational linearity while maintaining maximum power Case-hardened and ground machined steel sliding bushing Hardened, ground machined, chromed steel hub -New one- piece rollers with a better performing compound Supplied with two different roller sets and two shims in order to change the number of revolutions of the gear curve of your vehicle perfectly adjusting its speed and acceleration COMPATIBILITY: Kymco AK550 **NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering. Please see our Warranty and Returns Policy