Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 220 lbs. @ 1.950" H76403F 3/4 in Tube OD

3/4 in Tube OD

technology

09 in Rectangular Port

Metric inlet thread is M10-1

Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 220 lbs. @ 1.950" H76403F 3/4 in Tube ODTest proven for 700 racing miles, High Endurance Valve Springs are wound from "Super Clean" chrome silicone wire. Perfect for Late Models, Modifieds and other applicatons running up to 8000 RPM. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To