Edelbrock 61775 RPM head valve springs

Edelbrock's catalog say's the springs #5845 come with the 61775 head, Edelbrock's part number 5845 valve spring is 150 lbs @ 1.800", 420 lbs @ .580" lift, 1.460" outside diameter, 1.150" coil bind. And they should work fine with a hydraulic roller in the .535-.565 lift range

http://www.edelbrock.com/automotive/mc/cylinder-heads/dl/valve-springs-retainers.pdf