The Supertech titanium valve spring retainer is specified for the Toyota Supra (A90) spring application SPRK‑B58B. Made as a retainer component for the listed spring, it is intended for rebuilds or valvetrain service on vehicles using the A90/B58B spring configuration where the titanium retainer designation is required.
Supertech Titanium Retainer for Toyota Supra (A90) Spring SPRK-B58B