before using valve spring compresser- tap the valve spring retainer using a hammer or scocket-before useing the tool ,this will loosen up the" keeper set" and just about any valve spring compresser will...
I saw how they look on ebay-( I have a cab enclouser)- I used old type moter cycle mirror- Bought a box on Ebay ( I thank it was 8) for about $20.00- got what I needed and sold the rest and made a little...