•3-1/2" diameter gauge, includes 3 brass fittings and 4' tubing.
•Diagnoses valve leaks, incorrect timing, leaky intake manifold and clogged mufflers.

•3-1/2" diameter gauge, includes 3 brass fittings and 4' tubing.
•Diagnoses valve leaks, incorrect timing, leaky intake manifold and clogged mufflers.