best place to buy some manley valves

i'm looking to buy some manley valves for my ported e7's. these are the street flow 1.55"/1.85".

here are the manley part numbers for the valves i need:

10775-8
19778-8

i know that summit has them for $60.00 for 8.

if anybody knows someone or has gotten them from a good source please let me know.

I want to install my H/C/I soon lol

thanks