MSD Boost Timing Timing Master Ignition - Must Be Used w/ MSD 6/SCI/7/8/10 Series Ignition TRI-UB240 1958-1958 Chevrolet Del Ray

1958-1958 Chevrolet Del Ray

1999-2014 Chevrolet Silverado 2500

5 Allen head screws (includes 2 spares)

2006-2006 Chevrolet Avalanche 1500

The BD Stealth Cover for the 1998

MSD Boost Timing Timing Master Ignition - Must Be Used w/ MSD 6/SCI/7/8/10 Series Ignition TRI-UB240 1958-1958 Chevrolet Del RayThe Boost Timing Masters allow you to adjust the amount of ignition retard from 1 per pound of boost to 3 per pound via a control knob that you mount on the dashboard. This way you can make adjustments on the fly to prevent detonation as fuel quality or altitude and air quality changes up to a maximum of 15 retard. You can also set a boost pressure point to start the retard. There is a boost pressure port to connect to your manifold and the BTM wires