The Supertech spring seat locator SPR-H1003 specified for Honda D16Z applications is a 9mm thick locator rated for 65lb seat pressure. Offered for D16Z cylinder heads, it provides a defined 9mm seating dimension and the stated 65lb seat pressure spec to support spring setup and valve train service where these parameters are required.
Supertech Spring Seat Locator for SPR-H1003 Honda D16Z- 9mm Thick (65lb Seat Pressure)