Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 36003BL Designed using CAD modeling/FEA analysis

Designed using CAD modeling/FEA analysis for optimal fitment

Gauge temporarily replaces the bleeder screw in most aftermarket brake calipers with 1/4"-28 thread bleeder screws to measure brake pressure

Black Oxide / Polished Stainless

Clevite 77 has been in most winning engines at Indianapolis and NASCAR

1984-1996 GMC K1500

Isky Cams High Endurance Dual Valve Springs (Red) - 1.550" O.D., .740" I.D., 210 lbs. @ 1.900" 36003BL Designed using CAD modeling/FEA analysisTest 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