Roller Lifter Options for 59 deg R1 Block

I've been digging through old posts and web articles but wondered what is the best current option out there for putting a solid roller cam in a 59 deg R1 block.

Thanks
After my recent experience with Comp lifters I would not put them in any engine that I cared about. Granted mine were Comp hydraulic rollers in a LA small block, but I have had 3 creditable engine builders tell me that they no long use Comp stuff due to past issues - be very careful in making your choice of suppliers.
Spend the money and buy the best you can find, it will save you money in the long run.