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10 Best Dead Center Indicators - Holiday Sale
Best Choice01MainUseoolTop Dead Center Tool 8016MRG TDC Whistle – Universal Top Dead Center Indicator with 14mm/18mm Spark Plug Ports – Top Dead Center Whistle for Distributor Installation, Timing & Valve Adjustment
Main highlights- Versatile Applications for Engine Work: Top dead center whistle perfect for distributor installation, individual cylinder valve setting, timing belt or chain inspection, and cylinder leak down testing—essential for mechanics and DIYers alike
- Quick, Tool-Free Installation: No tools required—just hand-thread the TDC whistle into the spark plug port and you're ready to go. The 27-inch overall length makes it easy to position and hear, even in tight engine bays
- Precise TDC Detection: The TDC whistle produces a clear, audible sound as the piston approaches top dead center (TDC) during the compression stroke—stopping right when TDC is reached. This makes it easy to pinpoint TDC for ignition timing, valve adjustments, and cylinder diagnostics
- Compatible with 14mm & 18mm Spark Plug Ports: Top dead center tool features a dual-size threaded fitting that easily installs into both 14mm and 18mm spark plug holes—compatible with most gasoline engines. Not for use on diesel engines
- Audible Compression Stroke Indicator: The TDC whistle tool makes it easy to detect the compression stroke by ear—no need to visually inspect pistons or rely solely on timing marks. MainUseool TDC compression indicator perfect for both beginners and professional mechanics
9.8Exceptional
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- 02RAMATA
RAMATA Whistle Thread Top Dead Center Indicator, Universal Top Dead Center Indicator with 14mm 18mm Spark Plug Ports for Distributor Installation, Timing, Valve Adjustment Replace 8016MRG 33650 7880
Main highlights- 【Upgrade Design Feather】The top dead center whistles attached to hose with 14mm and 18mm spark plug threads. The top dead center indicator whistles makes from high upgrade material, has superior quality of oxidation, anti-rust, corrosion resistance and welding properties, it's more effective to extend TDC using life. And also, it's sturdy, light-weight, smooth, looks well and long service time
- 【Suitable for】The top dead center indicator whistler is suitable for most vehicles engine 14mm & 18mm spark plug ports, except for use on diesel engines. Replaced number: 7880
- 【Function】You can find the exact TDC more quickly with it, and use for distributor installation, timing chain inspection and replacement, or individual cylinder valve adjustment.
- 【Easy to use】When you are needing to locate Top Dead Center on your hot rod's engine, let Mr. Gasket lend a hand. Our TDC indicator threads into 14mm or 18mm threaded spark plug holes. It whistles on the compression stroke and stops whistling at approximately Top Dead Center. Just a few of the many examples of when needed are, timing chain inspection or replacement, distributor installation and cylinder leak down.
- 【Customer's Approval】 Choosing the RAMATA TDC whistles is a really good idea when you need a sturdy, safe and new one. Strict quality control of products before they leave the factory is a necessary operation in our store. You can write e-mails to us when you have some question on our products
9.7Exceptional
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- 03RO6G
RO6G 7880 Top Dead Center Indicator Tool 14mm Thread TDC Indicator Switch Replacement Part 6" Long
Main highlights- Top Dead Center Whistle Tool: The heavy-duty brass plug and stainless steel spring provide clear motion markers, this tdc tool provides clear motion marker for effortless reading of piston top movement, making engine adjustments a breeze.
- Top Dead Center Tool: Top dead center indicator switch replacement part number: 7880 top dead center tdc tool timing gauge 14 mm thread. This top dead center indicator tool is designed to help you locate the exact top dead center of your car engine, ensuring precise timing and optimal performance.
- TDC Tool Size: Engine piston top dead center indicator tool measuring 6.25 inches long by 0.57 inches wide and high, with 14mm thread and 1/8 inch markings, this piston top dead center indicator tool is the Perfect Fit for your engine, ensuring accurate readings every time.
- Superior Quality: Top dead center tool crafted with high-quality materials, including stainless steel springs, thread close connection. Our tdc indicator tool is sturdy, durable, and built to last.
- Simple Installation: Effortlessly install this tdc tool just like a spark plug, tdc whistle tool providing ease and convenience without compromising on accuracy. (Note: Do not use on engines where the spark plug is at an acute angle relative to the piston top, as it may bend the TDC whistle tool shaft)
9.6Exceptional
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Value for Money04QNHEAYWhistle Thread Top Dead Center Indicator Replace 8016MRG 33650 7880 Center Top Dead Whistler With gasket sealing tape
Free ShippingMain highlights- Strong Durability: Made of high-strength metal and heat-resistant plastic, it can provide long-term reliable performance in high temperature and high pressure environments. It comes with high-quality sealing rings to ensure no leakage after installation, further improve the overall sealing of the engine, and protect the internal components of the engine from damage
- Efficient Whistle Line: The whistle line design allows clear sound prompts during the detection process, and the position of the piston can be easily identified even in a noisy working environment
- Easy to Install: The design fully considers the user's installation convenience. All interfaces and connections are designed according to the original specifications, and replacement can be completed without complex tools or professional skills
- Compatibility: The threaded top dead center indicator is suitable for most vehicle engines (not suitable for diesel engines), Replace 8016MRG 33650 7880
- Accurate Indication Function: Through the design of the whistle line, a clear sound signal is emitted when the piston reaches the top dead center, helping technicians to accurately judge the piston position and improve maintenance efficiency and accuracy
9.3Excellent
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- 05Zeiboat
7880 14mm Thread Top Dead Center Indicator, 6" Long, Black
Main highlights- Top Dead Center Indicator numberd 7880
- Made of qualitty steel with spring
- Length of 6'', 1/8 inch marks, 14mm thread
- Easy installation and use
- Contact us if you have any questions
9.1Excellent
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- 06MQLPXI
33650 Whistle Thread Top Dead Center Indicator, Universal Top Dead Center Tool with 14mm 18mm Spark Plug Ports Replace 8016MRG 7880 for Distributor Installation Timing Valve Adjustment
Main highlights- Wide Compatibility: Top dead center indicator whistle fits for most vehicle engines except diesel engines, replaces 8016MRG 33650 7880, features a dual-size threaded fitting that easily installs into both 14mm and 18mm spark plug hole, suitable for most gasoline engines
- Safe and Reliable: Indicator whistle does not require electrical power, avoiding the risk of electrical failure, it is easily removed when not in use without causing damage to the engine
- Precise Positioning: Tool whistles can help you accurately determine the highest point of the piston, which is crucial for adjusting valve timing, ignition timing, etc. to ensure that the engine can run at its best
- Improve Efficiency: Indicator whistles on the compression stroke and stops whistling at approximately top dead center, providing a quick method to confirm piston position, reducing guesswork and time during adjustments and diagnostics
- High-Quality Materials: Indicator is made of high-quality materials with excellent corrosion resistance and rust resistance, the smooth surface is easy to clean and maintain, reducing the influence of dust and oil on the measurement accuracy
9.0Excellent
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- 07Innovative Products of America
Innovative Products of America 7880 6" Long 14mm Thread Top Dead Center Indicator
39% Off Free ShippingMain highlights- Made of 1144 steel with a stainless steel spring
- Lifetime warranty; made in the U.S.A.
- Installs as easy as a spark plug
- Accurately displays piston movement
- 1/8 inch graduation marks
8.9Very Good
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- 08LVOUP
LVOUP 33650 Engine Piston Top Dead Center Indicator Tool Replace 8016MRG 7880
Main highlights- 【Upgrade Design】2-in-1 fitting threads into 14 mm and 18 mm spark plug ports
- 【Product Material】This indicator is made of good materials.Its sleek surface not only offers a pleasant tactile experience but also makes cleaning and maintenance a breeze.It effectively minimizes the impact of dust and grease on measurement accuracy,ensuring reliable and consistent results for you
- 【Function】Help to eliminate the guesswork involved when diagnosing jumped timing belts and timing chains.Aids in valve adjustments and installation of distributors,timing belts and timing chains
- 【Easy Installation】Tool whistles as the piston approaches Top Dead Center (TDC) on the compression stroke and stops whistling when the piston reaches TDC
- 【Compatibility】Compatible for most vehicles engine replace number: 8016MRG 33650 7880（Not for use on diesel engines）
8.7Very Good
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- 09porotmotor
Porotmotor Top Dead Center Indicator,14mm Thread Top Dead Center Timing Tool TDC Tool
Main highlights- 【Universal 14mm Spark Plug Fit & Clear Markings】 Features a standard 14mm thread for compatibility with most common spark plug holes. Clear 1mm incremental markings on the precision-machined shaft provide unambiguous piston movement reading
- 【Robust 304 Stainless Steel Construction】 Made of 304 stainless steel Offers superior corrosion resistance, durability, and long-lasting performance compared to mixed-metal alternatives
- 【ONE-PIECE DESIGN & KNOURLED GRIP】 No accessories, no assembly required, more reliable. Diamond-pattern knurling ensures positive grip even with oily hands, preventing slippage during installation. Eliminate the risk of tools falling into cylinders
- 【Installation】 Remove the spark plug, install the gauge, and rotate the engine while observing the scale on the sliding shaft to locate the piston’s top dead center (TDC). Warning: This tool must be used only on flat-top pistons and must engage perpendicularly to the piston surface. Misapplication may bend the TDC axis or cause serious damage
- 【Find Exact Engine TDC Effortlessly】 Precisely locate the Top Dead Center (TDC) position for accurate engine timing setup. Ensures optimal ignition timing, fuel delivery tuning, and peak engine performance
8.5Good
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- 10RAMATA
RAMATA Upgrade Top Dead Center Indicator TDC Whistler, Shift Indicator Replacement Part, 6" Long 14mm Thread, Replaced # 7880
Main highlights- 【Upgrade Design Feather】The tdc indicator include two 304 stainless steel bars with pluger. The one piece design can avoid the pluger dropping into the spark plug and leading to scrapping of spark plugs and the top dead center indicator makes from high upgrade material, has superior quality of anti-oxidation, anti-rust, corrosion resistance, it's more effective to extend TDC using life. And also, it's sturdy, light-weight and long service time
- 【Suitable for】The top dead center indicator is suitable for most vehicles engine, except flat top pistons with an acute spark plug angle. Replaced number: 7880
- 【Function】You can find the exact TDC more quickly with it. Allows a vehicle mechanic to accurately set any position to top dead center.Tips: Please check the threads on both side ends and add some lubricant before using
- 【Easy to install】Remove the spark plug, screw in the gauge and rotate the engine while observing the graduation marks on the sliding shaft Attention:The tool must engage piston perpendicular to flat top. It may makes TDC axis to bend and damage more easily if used on any other application
- 【Customer's Approval】 Choosing the RAMATA TDC is a really good idea when you need a sturdy, safe and new one. Strict quality control of products before they leave the factory is a necessary operation in our store. You can write e-mails to us when you have some question on our products
8.3Good
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