Model Numbers: GRB-051000-00030, 0GR0-052000, 0180-055000-0004, 0GR0-051300 Item Dimensions: 12 cm (Height) x 20 cm (Width) x 20 cm (Length) This primary clutch with installation tools is designed for use with CF ATV and UTV models including 400, 450, 500, 550, 191R, CF450, CF520, CF500, CF550, and X550.It supports smooth engagement and consistent power delivery under off-road conditions.The clutch is built for during regular use and allows for straightforward replacement or replacement on compatible vehicles.Its design supports function across varied terrain.