Large, easy-to-read 3 ½-in dial face with dual-calibrated and color-coded scales
Has 24-in oil resistant rubber hose with a universal fitting adaptor, tapered adaptor, and tee connector
Heavy-duty Bourdon tube meter movement
Helps to identify and diagnose system vacuum leaks and problems in the engine, and the various vacuum-operated motors and accessories
For vehicles equipped with carburetors