Valves springs for a 340?

One more to add >

Speed Pro #VS-678
Single Coil w/Damper
#91 lbs. @ 1.65" ..... {#89 lbs. @ 1.66"}
#231 lbs. @ 1.22" ... {#251 lbs. @ 1.17"}

Spring Height ..... 1.940" {Fully Open}
Spring Width ...... 1.494" {O.D.}
Spring Width ...... 1.080" {I.D.}
Coils ................. 5.6
Coil Width ......... .207"
Max Compressed. 1.100"