{"product_id":"marvelity-cylinder-leak-down-tester-kit-dual-gauge-for-gasoline-engines","title":"Marvelity Cylinder Leak Down Tester Kit, Dual Gauge for Gasoline Engines","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Important Pre-Use Notice】Dual-Gauge Cylinder Leak Down Tester for Gasoline Engines ONLY. Air compressor is NOT included. For valid readings, piston must be set at TDC on compression stroke with both valves fully closed; without proper cylinder connection, gauges will not show a meaningful leakage percentage\u003c\/li\u003e\n\u003cli\u003e【Complete Cylinder Test Kit】Includes 4 spark plug adapters (M10×1, M12×1.25, M14×1.25, M18×1.5), short \u0026amp; long hoses, pressure regulator and extension rods. Quick-connect fittings for deep spark plug wells\u003c\/li\u003e\n\u003cli\u003e【Diagnose Gas Engine Faults】Detects worn piston rings, leaking valves, cylinder wall cracks and blown head gaskets. Dual gauges display supply pressure and cylinder leakage percentage to locate compression loss\u003c\/li\u003e\n\u003cli\u003e【How to Calibrate】Pull out regulator knob to adjust pressure, push down to lock. Calibrate regulator to 100 PSI before testing. Do not over-torque spark plug adapters\u003c\/li\u003e\n\u003cli\u003e【Compatibility Warning】Works for most gasoline cars and motorcycles. NOT compatible with diesel engines, heavy-duty trucks, marine outboards or small\/chainsaw engines. For DIY garages and professional auto repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marvelity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum, Metal, Plastic, Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem dimensions L x W x H:\u003c\/strong\u003e 11.02 x 8.27 x 2.76 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Highlight:\u003c\/strong\u003e Dual-Gauge Cylinder Leak Down Tester Kit with Extension Rod \u0026amp; 4 Spark Plug Adapters for Gasoline Engines\nDual-Gauge Cylinder Leak Down Tester Kit with Extension Rod \u0026amp; 4 Spark Plug Adapters for Gasoline Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Marvelity","offers":[{"title":"Default Title","offer_id":50552871682288,"sku":"B0FFSGPNNF","price":49.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/41uVCzunyBL.jpg?v=1790697257","url":"https:\/\/wrenchvanta.com\/products\/marvelity-cylinder-leak-down-tester-kit-dual-gauge-for-gasoline-engines","provider":"WrenchVanta","version":"1.0","type":"link"}