The Supertech spring seat locator for the SPR-TS1015 Honda LS head is specified for intake-side valve springs with a 1.0mm thickness. It centers the spring for reliable installation and correct seating when assembling valve retainers and locks. This product is a single locator intended specifically for the intake side of Honda LS head applications at the 1.0mm thickness.
Supertech Spring Seat Locator for SPR-TS1015 Honda LS Head 1mm - Intake Side Only (Drop Ship Only)