Specification Brand : KZYEE BulletPoint1 : BulletPoint2 : Simulate Real Engine Load – Adjustable 0–6000 RPM: Our spark plug tester lets you test your spark plugs and coils under real conditions—from idle to high RPM. With 0–6000RPM fine-tuning, easily catch weak sparks, misfires, and ignition delays before they cause engine damage. It’s a smart upgrade over most spark tester tools for small engines—and a tool worth every penny BulletPoint3 : Test Two Plugs Side-by-Side – Save Time, Diagnose Faster: Why waste time testing one plug at a time? This dual-hole spark plug tester and coil tester lets you check two spark plugs at once—instantly compare firing strength, timing, and stability. Whether you’re working on a car, motorcycle, or small engine, it’s the perfect upgrade from cheap tools BulletPoint4 : Spark-Proof Cover – Safe for DIYers, Trusted by Pros: Safety is our priority. The spark plugs tester comes with a built-in spark-proof cover that ensures no accidental sparks during use. The transparent cover only powers on when securely closed, offering you clear spark visibility and peace of mind with every test BulletPoint5 : Plug and Play – Works with Most 12V Gas Engines: No tools, no setup—just plug in and diagnose instantly. KS40 spark checker is compatible with 99% of 12V gasoline engines, from cars and motorcycles to ATVs, UTVs, lawn mowers, and more. Whether you’re a garage pro or a driveway DIYer, it’s the only spark tester automotive users will need. Note: not compatible with short plugs under 1.34 inches BulletPoint6 : Don’t Settle for Cheap Spark Plug Testers – Get Professional Accuracy: Cheap spark plug testers can leave you guessing, leading to wasted time and unnecessary repairs. The KS40 Spark Tester provides professional-grade performance, offering precise diagnostics that save you time and money. It's not just a tool—it’s an investment in your engine's health. Unlike cheap inline spark plug testers, our spark tester is built to last, offering superior performance and reliability BulletPoint7 : ❣️1-Year Guarantee + 30-Day Replacement – Fast Help, No Hassle❣️: Tired of slow r _eturns or no response? or getting no replies? We offer a 1-year guarantee and a 30-day free replacement policy with direct support. If anything goes wrong, just email us at: Color : Gray - Dual Hole Test | 0–6000RPM | 12V Gas engine CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 4058546347949 ExternallyAssignedProductIdentifier1 : 0860013657925 ExternallyAssignedProductIdentifier2 : 860013657925 ExternallyAssignedProductIdentifier3 : 5053988079983 ExternallyAssignedProductIdentifier4 : 05018341034771 FinishType : Chrome-plated GpsrSafetyAttestation : 1 IncludedComponents : Spark plug tester*1 Power cable*1 User’s manual*1 IncludedComponents1 : 1 x M18ONEFPRT Rivet Gun Body Only IncludedComponents2 : 1 x Milwaukee Case ItemDisplayWeight : 0.25523809523809 kilograms ItemLength : 197.5 millimeters ItemName : KZYEE KS40 Spark Plug Tester for 12V Gas Engines – Dual Hole, 0–6000RPM Adjustable, Plug & Play Coil & Misfire Tool with Safety Cover for Car Motorcycle Small Engine ItemPackageDimensions_Height : 17.6022 centimeters ItemPackageDimensions_Length : 6.4008 centimeters ItemPackageDimensions_Width : 13.589 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : spark-plug-and-ignition-tools Manufacturer : KZYEE Material : Rubber MeasurementAccuracy : +/-0.01 MeasurementSystem : Metric MetalType : Chromium Molybdenum Steel ModelName : 2505-2 Spark Plug Wrench ModelNumber : 2505-2 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 OperationMode : Mechanical PackageLevel : unit PartNumber : KZYEE KS40 PowerSourceType : Corded Electric - Input 100 to 240v Ac | Output 12v 1a Dc ProductDescription : Accurately Diagnose Spark Plug & Ignition Coil Problems in Seconds — With the KZYEE KS40, you’ll never guess again. The KZYEE KS40 Spark Plug Tester is a powerful, plug-and-play diagnostic tool designed for gasoline engine maintenance, whether you’re a professional technician or a DIYer. It features a dual-hole testing system that allows you to test and compare two spark plugs at the same time, making misfire detection faster and more precise. With an adjustable RPM range from 0 to 6000, the KS40 simulates real engine conditions, helping you spot weak sparks, misfires, or ignition coil failures before they lead to serious engine issues. The built-in safety cover with automatic lock ensures safe testing—power only activates when the lid is closed. This inline spark plug tester is compatible with most 12V gasoline engines, including cars, motorcycles, ATVs, lawn mowers, and more. It works with standard spark plugs longer than 1.34 inches, making it a versatile tool in your garage, workshop, or toolbox. Whether you're diagnosing rough starts, poor acceleration, or inconsistent idling, the KS40 spark tester helps you catch ignition problems fast—before they cost you more in repairs. ✅ Key Features: Dual-hole design – Test 2 spark plugs side-by-side Adjustable 0–6000RPM frequency – Simulate real engine load Built-in safety cover – Protects you from accidental shock Plug and play – Easy to use with no setup or tools required Wide compatibility – Works with most 12V gasoline spark plugs Not compatible with spark plugs shorter than 1.34 inches Want to make sure your spark plugs are performing at their best? Choose KZYEE KS40 – The smart, safe, and accurate way to test ignition systems. ProductSiteLaunchDate : 2025-03-27T08:41:26.385Z Size : 5/8-Inch x 11.5-Inch StreetDate : 2016-05-19T00:00:01Z Style : Quickly diagnose weak or faulty spark plugs | Dual plug testing for real-time comparison | Adjustable RPM up to 6000 to simulate real engine conditions | Compatible with most 12V gasoline engine spark plugs (not for plugs <1.34”) SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 25191800 Voltage : 18 volts WarrantyDescription : NON Wattage : 1250 watts