Yamaha Kodiak 350 400 450 700 ATV Complete 2.5" Lift Spacer Kit 4 aluminum spacers. These spacers lift the chassis approximately 2.5', to do with Geometry of spring placement to tire contact patch. These spacers aren't 2.5" tall spacers. They are approximately 1". This is a spring compression kit, so you may need a coil springs compression tool to install. These kits are made in USA. thanks