The OTC Compression Tester Adapter (6660) is a high-quality tool designed to efficiently measure engine compression in 2003-2009 Ford 6.0L Powerstroke Diesel engines. This adapter is specifically engineered to connect a compression gauge to the engine’s cylinder head, providing accurate and reliable readings.KEY FEATURES AND BENEFITS: Precision Engineering: Designed to ensure accurate and consistent compression measurements. Easy-to-Use: Simple connection to the engine’s cylinder head for quick and hassle-free operation. Durable Construction: Built to withstand the rigors of professional use. Compatible with OTC 5021 Gauge: Works seamlessly with the OTC 5021 diesel engine compression gauge.SPECIFICATIONS: Compatibility: 2003-2009 Ford 6.0L Powerstroke Diesel Engines Use: Connects a compression gauge to the engine’s cylinder head Material: High-quality, durable materialsHOW TO USE: Prepare the Engine: Ensure the engine is at operating temperature. Connect the Adapter: Attach the adapter to the engine’s glow plug port. Connect the Gauge: Connect the compression gauge to the adapter. Perform the Test: Follow the instructions of the compression gauge to conduct the test.BENEFITS OF USING OTC COMPRESSION TESTER ADAPTER (6660): Accurate Diagnosis: Pinpoint engine performance issues with precision. Efficient Maintenance: Timely identification of potential problems saves time and money. Prolonged Engine Life: Proper maintenance and diagnosis contribute to longer engine life.FEATURES:Custom fit: Designed specifically for Ford 6.0L Powerstroke Diesel enginesSecure connection: Ensures reliable and leak-free performanceRobust construction: Built to withstand demanding workshop environmentsEasy readout: Compatible with various compression gauges for clear results