These vacuum canisters from COMP Cams capture an extra shot of vacuum from your engine for your power brakes. They are made for cars equipped with big cams and power brakes. These units approximately double the volume of vacuum available for your power brakes. They are recommended for cars with 14 in. of vacuum or less.

These vacuum canisters from COMP Cams capture an extra shot of vacuum from your engine for your power brakes. They are made for cars equipped with big cams and power brakes. These units approximately double the volume of vacuum available for your power brakes. They are recommended for cars with 14 in. of vacuum or less.