{"product_id":"fiada-9-piece-compression-tester-kit-for-cars-motorcycles-300-psi-dual-unit-gauge-spark-plug-tester-black","title":"Fiada 9-Piece Compression Tester Kit for Cars \u0026 Motorcycles — 300 PSI Dual-Unit Gauge, Spark Plug Tester (Black)","description":"\u003cp\u003e\u003cstrong\u003eFiada's 9-piece compression tester kit is a complete, handheld solution for checking cylinder pressure and verifying spark delivery on cars and motorcycles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for DIY mechanics and small repair shops, this set combines a 300 PSI dual-unit gauge with multiple adapters and a spark plug tester so you can quickly assess engine health. The tools fit most spark-plug-threaded cylinders and the kit stores neatly in a protective ABS case. Use it to isolate low-compression cylinders, identify ignition faults, or confirm engine sealing after maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I perform a compression test with this kit?\u003c\/h3\u003e\n\u003cp\u003eRemove the ignition and fuel supply as recommended for safety, then thread the correct adapter and hand-start the gauge into the spark plug hole. Crank the engine with the throttle open and read the peak pressure on the 3\" dial; repeat several times for consistent results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChoose the matching brass or rubber cone adapter for the spark plug thread.\u003c\/li\u003e\n  \u003cli\u003eUse the 14\" extension hose to reach deep or recessed plugs.\u003c\/li\u003e\n  \u003cli\u003eCrank four full revolutions for an accurate pressure reading.\u003c\/li\u003e\n  \u003cli\u003eCompare readings across cylinders to find anomalies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat can the spark plug tester tell me about ignition problems?\u003c\/h3\u003e\n\u003cp\u003eThe included spark plug tester visually shows whether a spark is being produced under engine-like conditions. It helps you quickly rule in or out coil, lead, or plug failures and can indicate poor plug gaps or contaminated plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnect the tester in series with the spark plug wire to observe spark intensity.\u003c\/li\u003e\n  \u003cli\u003eLook for weak, intermittent, or absent sparks to pinpoint ignition faults.\u003c\/li\u003e\n  \u003cli\u003eUse in combination with compression results to separate ignition from compression issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the gauge accurate and durable enough for regular garage use?\u003c\/h3\u003e\n\u003cp\u003eThe kit features a 3\" dial rated to 300 PSI with dual units (PSI and kg\/cm²) and a rubber-shielded housing to resist shocks. The gauge face has an anti-scratch coating, and all fittings are brass or reinforced rubber to tolerate workshop conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300 PSI range covers most gasoline and light-diesel engines.\u003c\/li\u003e\n  \u003cli\u003eRubber protection reduces impact damage during use.\u003c\/li\u003e\n  \u003cli\u003eABS carrying case keeps adapters and hose organized and safe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Fiada 9-piece kit is ideal for home mechanics, mobile technicians, and small shops who need a cost-effective, portable set for routine engine diagnostics. It’s suited to cars, motorcycles, ATVs, and many small engines where spark-plug-style cylinder access is available, and it helps separate compression, sealing, and ignition issues without expensive diagnostic equipment.\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: Will this kit work on my motorcycle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the set includes multiple brass adapters and rubber cones to fit most motorcycle spark plug threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to use the gauge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools: hand-thread the adapter into the plug hole, attach the hose, crank the engine and read the gauge.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fiada","offers":[{"title":"Default Title","offer_id":48087282778270,"sku":"B09G359ZY9","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/fiada-compression-tester-kit-front-case.jpg?v=1785920234","url":"https:\/\/northtrailauto.ca\/products\/fiada-9-piece-compression-tester-kit-for-cars-motorcycles-300-psi-dual-unit-gauge-spark-plug-tester-black","provider":"North Trail Auto","version":"1.0","type":"link"}