Stock Valve Spring Kit compatible replacements for 2003-2010 Ford 6.0 & 6.4 Power stroke consisting of 32 Valve Springs, 32 Retainers, 32 Valve Stem Seals, 64 Valve Keepers. (32)RV3561S+(32)VSF60V+(32)ER-3991+ (64)EHC-2817-50.

Valve Springs: