Proform Leak Down Tester Dual Gauge Analog | 66839

Proform 66774 valve spring tester. Features analog design, 300 lb range, 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 BB1000 valve spring tester. Features analog design, 1000 lb range, 5 lb scale, 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.