Boost Timing Master for use with MSD Ignition Control - 8762 bump-stops 25/8 V 1990 - 1996

25/8 V 1990 - 1996 Chevrolet C60 Kodiak 4

is internally baffled with filter

02/8 V 2011 - 2012 Ford F-150 Harley-Davidson Edition 4

4 V8 1958 - 1959 Ford Custom 300 361/5

7 V8 1987 - 1995 GMC G2500 350/5

Boost Timing Master for use with MSD Ignition Control - 8762 bump-stops 25/8 V 1990 - 1996Overview: The 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