The Supertech spring seat locator for Nissan GT-R is specified for intake-side service only and provides a seating surface to position valve springs and retainers on that side of the head. It supports consistent installed height and alignment for intake valves during assembly, offering a targeted tool to simplify valve-train work when addressing only the intake-side components on GT-R engines.
Supertech Spring Seat Locator for Nissan GT-R (Intake Side Only)