PRP Billet Exhaust Side Solid Engine Mount - Nissan RB25The Platinum Racing Products Billet Exhaust Side Solid Engine Mount for the Nissan RB25 is a high performance upgrade designed to improve engine stability and durability. This mount is made from billet aluminum, which provides enhanced strength and resistance to deformation compared to standard mounts. It is particularly useful in high performance applications where engine movement needs to be minimized to maintain alignment and reduce wear on other