I have 2 Pro-Form valve spring compressors for sale. Both are in great condition, lightly used.
#66784 is their model for use on 3/8" NF and 7/16” NF thread studs. This is the link to Summit racing where this retails for $47.99: https://www.summitracing.com/parts/pro-66784
Good to 700lbs. pressure. $25.
#66832 is their universal model which reaches around the cylinder head. This is the link to Summit racing where this retails for $120.99:
https://www.summitracing.com/parts/pro-66832
Good to 700lbs. pressure. Adjustable arm. $60.
Cash only. Can meet you in your area if I happen to be near you; at my house or in Ada otherwise.