Manley MAN23644-16 10 Degree Titanium Retainers - 1.550

Manley MAN23644-16 10 Degree Titanium Retainers - 1.550 is listed by Motorstate as a Valve Spring Retainers for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Manley components in the Valve Spring Retainers category. The manufacturer part reference is 23644-16, while the Motorstate part number is MAN23644-16. Catalog description context: Valve Spring Retainer - 10 Degree - 1.140 in / 0.740 in OD Steps - 1.550 in Dual Spring - Titanium - Set of 16. No vehicle compatibility is stated here unless it is present in separate fitment data.