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JIMS Dual Gauge Leakdown Tester

Product may vary from photo(s).

Everyday Low Price: $131.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info $118.79

J&P Part: 920-470

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This product was proudly made in the USA Made In The USA

JIMS Dual Gauge Leakdown Tester

Fitment Note: Fits 14MM and 18MM spark plug holes.

• This tester can be used on all models and aftermarket motors

• The hose assembly features 14mm and 18mm spark plug threads

• This tester can be used to troubleshoot cylinder leakdown issues such as bad valve seats, bad rings, etc,

• Brass fittings and quality gauges

Product Specs

  • Manufacturer Part Number: 782
  • Sold in Units: Each


Fitment Note: Fits 14MM and 18MM spark plug holes.

Note: This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

Customer Reviews


the gauge is perfect!


works well, large easy to read gauges


This is a great quality tool. I look around before I bought this unit. The price was higher but the construction is solid and the guages dead accurate. Instructions very clear.