Manley MAN221420-16 1.500 NexTek Dual Valve Springs

Manley MAN221420-16 1.500 NexTek 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 221420-16, while the Motorstate part number is MAN221420-16. Catalog description context: Valve Spring - NexTek - Dual Spring - 780 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16. No vehicle compatibility is stated here unless it is present in separate fitment data.