Tie Rod housings have been strengthened in critical areas. Tie Rod Upgrade Kits feature tie rods that are manufactured from seamless steel tubing and heavy duty rods. Each kit contains two tie rods, four tie rod ends along with the cotter pins and jam nuts. Upgrade ATVs from the failure-prone 10 mm tie rod assemblies to the Wide Open heavy-duty 12 mm tie rod assemblies. 1 kit required per ATV 2 Kits required per UTV.