Roller Valve Spring vs FT Valve Spring

Okay, thank you, and I see! Yes, spring P/N would be helpful. Did you buy them as a set of springs and retainers such as the Edelbrock 5895 kit?
Complete Sure Seat Valve Spring Kit for Chevy 396-402-427-454 V8
Edelbrock Sure Seat Valve Spring Kits 5895