Isky Cams Tool Room Dual Spring / Damper Valve Spring - 480 lb/in Spring Rate - 1.190 in Coil Bind - 1.560 in OD - Set of 16 20193XSSW Hydraulic w/Recalibration Feature

Hydraulic w/Recalibration Feature

smooth body

2011-2014 GMC Sierra 3500 HD Denali Crew Cab Pickup

no diagonals

regardless of what kind of wiring harness you have

Isky Cams Tool Room Dual Spring / Damper Valve Spring - 480 lb/in Spring Rate - 1.190 in Coil Bind - 1.560 in OD - Set of 16 20193XSSW Hydraulic w/Recalibration FeatureTest proven for 1000 racing miles, Precision Tool Valve Springs feature the highest quality alloy wire and trade secret endurance processing. Great for Super Modifieds, ARCA, Grand National, NASCAR Trucks, Cup and applications up to 8800 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