Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 28315XS8 eliminating the need for backer

eliminating the need for backer washers

1997-2009 GMC Savana 2500

lower gears

Oil Resistant Sole

Camshaft Checking Fixture

Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 28315XS8 eliminating the need for backerTest 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