The Riptide Chubby Bushings have the highest stability of Riptides bushings, and work best in trucks with a stepped bushing seat. Its a versatile bushing that delivers a stable yet plush and comfortable setup. Krank bushings were designed to change under pressure and is controlled by the amount of clamp pressure you put on it when tightening your trucks. Krank 84a, Come in a set of two Enough for one truck, .975" Dia x .60" High