Slant 6 to 5.7 motor mounts

So trying to decide on motor mounts. Schumacher's are out of stock and have been for a while, TTI mount says they are for v8 k member only. I have heard that the universal LS mount work but just need to re drill the holes. I was thinking of just getting a universal set and modifying it to fit how I like . Has any one had to make there own mounts or does everyone just buy them?
I stand corrected... 408swinger is correct.. Just a dealer...