{"product_id":"zeajsru-compression-tester-with-spark-plug-tester-300-psi-kit-for-cars-motorcycles","title":"ZEAJSRU Compression Tester with Spark Plug Tester – 300 PSI Kit for Cars \u0026 Motorcycles","description":"\u003ch2\u003eClear diagnostics for modern engines\u003c\/h2\u003e\n\u003cp\u003eThe ZEAJSRU Compression Tester with Spark Plug Tester is a compact, practical toolkit built for routine car and motorcycle maintenance. Its rugged build and thoughtful details help you approach engine diagnostics with confidence, even in tight spaces or dim garages.\u003c\/p\u003e\n\u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eDesigned to measure cylinder pressure and visually verify ignition signals, this kit offers a balanced blend of accuracy and convenience. The 300 PSI dual-scale gauge reads clearly, and a pressure release valve makes each test quick to reset.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300 PSI dual-scale gauge with stable readings for dependable testing\u003c\/li\u003e\n  \u003cli\u003eSpark plug tester to visualize ignition signals and verify timing indicators\u003c\/li\u003e\n  \u003cli\u003eFlexible hose plus straight and curved rubber cone adapters for hard-to-reach cylinders\u003c\/li\u003e\n  \u003cli\u003eBrass thread adapters in M10, M12, M14, M18 to fit most small gasoline engines\u003c\/li\u003e\n  \u003cli\u003eComplete adapter set including brass and rubber components for accurate setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe kit is well suited for cars and motorcycles that use common spark plug configurations. When you’re diagnosing compression concerns, you can rely on crisp dial readings and the ability to reset quickly between tests. The included spark plug tester helps you observe ignition signals as you crank, adding another layer of insight to your inspection.\u003c\/p\u003e\n\u003ch3\u003eUsage ideas and real-life scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck a suspected low-compression cylinder during routine maintenance or at the shop, then compare readings across cylinders\u003c\/li\u003e\n  \u003cli\u003eTest in tight engine compartments thanks to the flexible hose and cone adapters that reach deep ports\u003c\/li\u003e\n  \u003cli\u003eUse the brass adapters to connect to diverse spark plug sizes without swapping tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This tool is designed to support diagnosis and inspection. Results may vary with engine condition, fuel quality, and environmental factors. Consider it a helpful aid that complements your mechanical assessment rather than a guarantee of outcome.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which engines are compatible with the ZEAJSRU Compression Tester?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for most small gasoline engines in cars and motorcycles, with M10–M18 brass adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the kit and how do I reset between tests?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes a 300 PSI gauge, spark plug tester, hose, and brass adapters; use the release valve to reset after each test.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZEAJSRU","offers":[{"title":"Default Title","offer_id":42466360328277,"sku":"B0G4BXB1P3","price":35.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/zeajsru-compression-tester-front-view.jpg?v=1778046548","url":"https:\/\/plentytorque.co.uk\/products\/zeajsru-compression-tester-with-spark-plug-tester-300-psi-kit-for-cars-motorcycles","provider":"PlentyTorque","version":"1.0","type":"link"}