B&M Adjustable Vacuum Modulator

Adjust Vacuum and Shift Points

B&M’s Vacuum Modulator is fully adjustable, allowing you to tailor your shift points to within a range of 2-4 mph. Equipped with a gold irradiated finish and an O-ring seal to stop leaks. Comes supplied pre-adjusted for normal shift points.

Features:

Fully Adjustable.

Tailors To Custom Shift Points.

Comes Supplied With Pre-Adjusted Shift Points.

Note: If your engine does not make adequate vacuum you will not be able to make the stock or B&M modulator work properly; usually resulting in late, hard shifts.