Proform Valve Spring Tester Analog 300 lb Range | 66774

Proform 66835 valve spring tester. Features mini analog design, 300 lb range, 5 lb scale, ensures accurate spring pressure measurement, sold as each.

Proform BB1000 valve spring tester. Features analog design, 1000 lb range, 5 lb scale, ensures accurate spring pressure measurement, sold as each.

Proform 67597 valve spring tester. Features analog design, 600 lb range, stud mounted, ensures accurate spring pressure measurement, sold as each.

Proform 66775 valve spring tester. Features analog design, 700 lb range, ensures accurate spring pressure measurement, sold as each.

Proform 66837 valve spring tester. Features mini analog design, 1000 lb range, 25 lb scale, ensures accurate spring pressure measurement, sold as each.