alternative to Comp springs?

I have these on my build:
Trick Flow® by PAC Racing Dual Valve Springs TFS-16943-16
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Pair

Not sure if that's to high but look at trickflow too.