The Supertech spring seat locator for Subaru BRZ and Scion FR-S is a single 0.5mm thick locator sold individually for use with H1000 springs and DS-compatible hardware. It helps ensure correct spring seat position during assembly and is intended for engine builders or technicians performing valve spring service where precise spring geometry and placement are required for reliable valve train function.
Supertech Subaru BRZ/Scion FR-S 0.5mm Thick Spring Seat Locator - Single (For H1000 Spring/DS Only)