[Applicable model] Seat Suspension Kit for John Deere, Hustler, Z TRAK, Kubota, Exmark Brand Zero Turn Mower Tractor Seats. [Superior Material] seat suspension kit uses high-quality steel as the raw material of the seat suspension bottom plate, high-quality plastic as the outer handle of the adjustment screw, and high-quality rubber as the cushion, making the seat suspension more secure and durable. [Function] Convert your rough riding mower seat into a smooth riding suspension seat with this seat suspension kit. This suspension bolts between the mower seat and the sliding tracks to give you a smooth ride. [NOTE] This suspension mounts between the mowers seat and sliding tracks. If your mower doesn’t have sliding tracks you will need to incorporate 3/4 spacers. This will give the suspension the neccesary clearance to function. Made in the China. Universal Mounting Holes (Some drilling may be required). Smooth Ride for your Zero Turn Mower. Convert your rough riding mower seat into a smooth riding suspension seat with this seat suspension kit. 8 – 1×5/16 bolts. 8 – Locking Nuts. Attatch your mower’s seat sliding tracks/rails to the bottom of the suspension. This will give the suspension the needed clearance to function. The bolt pattern is the same on the top and bottom of the suspension. The measurements shown are center to center measurements. Easily adjust the ride and feel of the suspension by turning the the dial toward “firm” or “soft”.