ProComp/Speedmaster aluminum heads

Any recommendations on which retainers and locks? Or Should I wait until I have the springs and heads and see what the machine shop recommends? This is my first time having a set of heads set up so I’m pretty uneducated on all this.

PCE270.1005
1.400" Od. 1.060" Id. 7 Degree 11/32 Chromoly Steel Valve Spring
Retainers

PCE269.1002
10 Degree 11/32" Std Install Height Chromoly Valve Locks Keepers,,,,,,,,,,,WRong keepers

PCE
7 Degree 11/32" Std Install Height Chromoly Valve Locks Keepers...........out of stock....