Caster plates are used for correcting the caster on the Nissan patrol.

5-degree Plates should only be used on 4-5 inch lifts, if they are fitted on 4 inches or lower lifts the vehicle may experience 'head shake".

7-degree Plates should only be used on 6-7 inch lifts, if they are fitted on 5 inches or lower lifts the vehicle may experience 'head shake".

For smaller lifts consider caster bushes or drop boxes.

Caster plates are a bolt in item but a 90-degree drill is needed to fit them or they can be welded onto the original diff plates.

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PLEASE READ:
\ Superior Engineering and other Brands of Steering components are replacement items that are in most cases upgraded to be a stronger better choice than the factory item. The Superior Engineering steering Components will meet or exceeds the factory specifications of OEM products. Although Superior Engineering and other brands may be stronger or exceed OEM specifications maintenance must still be performed on the components to ensure a safe and reasonable life out of the products. For all steering products, it is recommended to carefully check over the ends, internal and external threads and on hollow bars inside the rod every service you have on the vehicle or 6 monthly minimum to ensure nothing is loose or damaged or rusted. It is recommended to ensure no rust has formed on any steering parts as this may shorten the life or warranty of the product. Due to the harsh environments such as beach work or general 4wding rust may quickly form on steel steering components, it is recommended to replace the items if rust is present. If there is any wear or "play" in the ball joints, Tie rod ends or threads they must also be replaced for safety.