Manley MAN22429-16 1.550 Pro Valve Springs Dual w/Damper

Manley MAN22429-16 1.550 Pro Valve Springs Dual w/Damper 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 22429-16, while the Motorstate part number is MAN22429-16. Catalog description context: Valve Spring - Professional Series - Dual Spring / Damper - 458 lb/in Spring Rate - 1.180 in Coil Bind - 1.550 OD - Set of 16. No vehicle compatibility is stated here unless it is present in separate fitment data.