The Supertech titanium valve retainer for Honda D‑series engines is a direct replacement retainer intended to secure valve springs during engine service or rebuilds. Specified as a titanium retainer in the description, it fits D‑series valve spring assemblies and provides a like‑for‑like replacement option when refreshing the valve train on compatible Honda D‑series engines.
Supertech Titanium Retainer for Honda D Series Spring SPR-1003S