MSD Boost Timing Timing Master Ignition - Must Be Used w/ MSD 6/SCI/7/8/10 Series Ignition Ring and Pinion 23 x 13 x 10

23 x 13 x 10

Welds to " steering shaft

Chevrolet: Caprice 70 - 72 7

Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover

MSD Boost Timing Timing Master Ignition - Must Be Used w/ MSD 6/SCI/7/8/10 Series Ignition Ring and Pinion 23 x 13 x 10The 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