Isky Cams Precision Tool Room Dual Valve Springs (Gold) - 1.570" O.D., .740" I.D. BR40034 This self-powered timing light is

This self-powered timing light is designed to work without an auxiliary power source which makes it ideal for use with magnetos

(4) Vacuum Ports " (1) Each 1/4 NPT & 3/8 NPT & (2) 1/8 NPT w/ Indirect Baffled Signal

Drive by Wire

an elastic and Velcro enclosure

Isky Cams Precision Tool Room Dual Valve Springs (Gold) - 1.570" O.D., .740" I.D. BR40034 This self-powered timing light isTest 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