This gauge leak carburetor pressure diagnostics tool kit will help you diagnose improper timing, burned or stuck valves, leaking manifold, improper fuel mixture, sticking choke, and more without the use of a pump. Package List 1 x Gauge 1 x 24" Long rubber hose 40 PSI 1 x Brass cone adapter 2 x Plastic connector 1 x 1/4”x18 Male to 1/8”-27 female brass adapter 1 x 1/8”-27 Male to 7/32” barbed brass fitting adapter 1 x 1/8”-27 Female to 3/8” male brass adapter 1 x T-type 7/32” barded fitting adapter Product Features 4" Large Dial The gauge has 4 inches diameter large scale, color-coded measurement, rubber surrounded protective and a hook on the top. Long Rubber Hose The 2-foot long rubber hose of the vacuum and fuel pump tester gauge with a maximum working pressure of 40 psi (2.8 bar). Premium Quality Made of high quality brass, corrosion resistant, rust proof and solid. Function The vacuum gague tester kit enables to test the engines' fuel delivery pressure to check for worn or defective parts in fuel pumps and vacuum systems. Wide Application This tester will test fuel pump pressure and all vacuum operated devices, 4 tests can be performed – fuel pump pressure, fuel pump vacuum, carburetor intake manifold, and vacuum test. More Choices for Pressure Testers Pump Tester Gauge Add to Cart Pressure Gauge Tester Add to Cart Oil Pressure Tester Kit Add to Cart Pressure Gauge Tester Add to Cart Customer Reviews 4.6 out of 5 stars 84 4.4 out of 5 stars 29 4.4 out of 5 stars 48 3.9 out of 5 stars 43 Price $15.95$15.95 $13.89$13.89 $21.99$21.99 $20.99$20.99 Brand Acymner Acymner Acymner Acymner Quantity 9 PCS 8 PCS 12 PCS 21 PCS Gauge Range 0 -10 PSI 0 - 300 PSI 0 - 140 PSI 0 - 140 PSI Gauge Range 0 - 0.7 Bar 0 - 20 Bar 0 - 10 Bar 0 - 10 Bar Storage Case Included ✔ ✔ ✔ ✔