Manley MAN22431-16 1.550 Pro Dual Valve Springs

Manley MAN22431-16 1.550 Pro Dual Valve Springs is listed by Motorstate as a Valve Springs for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Manley components in the Valve Springs category. The manufacturer part reference is 22431-16, while the Motorstate part number is MAN22431-16. Catalog description context: Valve Spring - Professional - Dual Spring / Damper - 507 lb/in Spring Rate - 1.190 in Coil Bind - 1.550 in OD - Set of 16. No vehicle compatibility is stated here unless it is present in separate fitment data.