Are these valve springs any good ???

[302efi]

Heres the specs:

Max. O. D. 1.404
Wire Dia. 0.192
Total Coils 5.9
Solid Height 1.09
Closed Height 1.6
Closed Pressure (Lbs.) 78.8
Open Height 1.15
Open Pressure (Lbs.) 209
Type S

Would these springs be any good for a nice street engine ? The lift on the cam is .500 / .510