You don’t have to be told how aggravating it can be to reach down into the cowling to get to those spark plug holes for a quick leakdown check. It’s a real pain to get the hose to reach the spark plug hole without contorting your arm into pretzels. Well, we feel your pain... You don’t have time to waste fighting your tools, Aircraft Tool Supply paired up the ATS 2EM differential pressure tester (with Master Orifice) along with the spark plug port extension tool to make your life a whole lot easier. For more information visit www.aircraft-tool.com.