Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 220 lbs. @ 1.950" Winch Rope The racing market embraced a

The racing market embraced a supplier that would maintain inventory throughout the limited season

and have all the necessary clearance for a thermostat

Will fit tall blocks with use of Weiand spacer plate kit

2 in Front / 3 in Rear

Isky Cams High Endurance Dual Valve Springs (Green) - 1.550" O.D., .740" I.D., 220 lbs. @ 1.950" Winch Rope The racing market embraced aTest 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