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JEGS Top Dead Center (TDC) Indicator

555-80527

made in usa

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Top Dead Center (TDC) Indicator
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$34.99
$29.99
SAVE $5.00
More than 10 available
TDC Indicator
  • Accurately Displays Piston Movement
  • 14mm Threads
  • Made of 1144 Steel
  • Stainless Steel Spring
  • 1-1/2" Travel
  • 1/8 in. Graduation Marks
  • Made in the USA
  • Ships
    QTY
    JEGS Top Dead Center (TDC) Indicator is rated 4.4 out of 5 by 16.
    Rated 5 out of 5 by from Works on several head types . Jegs Product Info staff guided me on how to use the Jegs TDC Indicator on my Big Block Chevy , and it performed perfectly . This is a very well made tool which I'll own for many years .
    Date published: 2017-12-27
    Rated 5 out of 5 by from 80527 JEGS TDC Indicator This very high quality made tool. Worked perfectly and the shipping was outstanding!
    Date published: 2016-03-16
    Rated 5 out of 5 by from High Quality Professional Tool Used this on the deeply recessed spark plug hole for TDC on a twin cam engine and was able to accurately set the cam timing with no problem
    Date published: 2015-11-19
    Rated 5 out of 5 by from Just what you'd expect Does what it's supposed to. Good quality. Threaded right in, and was able to accurately find TDC with a dial indicator
    Date published: 2014-11-02
    Rated 4 out of 5 by from TDC Indicator This tool worked great! I was able to get my engine on TDC and made timing my car much easier. A good tool for any car guy.
    Date published: 2017-03-19
    Rated 1 out of 5 by from none did not get job done waste of money needs to be retooled
    Date published: 2017-06-08
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    Will this fit SBC 350 AFr Aluminum heads?

    Asked by: Steve71
    The JEGS 555-80527 TDC tool will fit a Chevy 350 AFR heads.
    Answered by: jshook
    Date published: 2026-06-18

    Will this fit SBC 350?

    Asked by: Steve71
    The JEGS 555-80527 TDC tool will fit a Chevy 350.
    Answered by: jshook
    Date published: 2026-06-17

    Will this work on a straight 6 250?

    Asked by: Bowzers
    The JEGS 555-80527 fits engines with 14mm spark plugs.
    Answered by: jshook
    Date published: 2026-04-23

    Will this work on a Chevy 350 w/ Trick Flow aluminum heads w/ angle plugs?

    Asked by: Jmo355
    The Jegs 555-80527 TDC tool will fit a Chevy 350.
    Answered by: jshook
    Date published: 2026-03-03

    Will this work on a Ford FE motor?

    Asked by: Hoss
    The Jegs 555-80527 TDC tool does not fit an FE.
    Answered by: jshook
    Date published: 2026-06-27

    Is the TDC Indicator compatible with the Small Block Chevy Vortec Cylinder heads and low-compression pistons? My concern is that the angle may be such that the tool will bend or break as the piston rises in the bore.

    Asked by: BoydsSpeedShop
    The Jegs 555-80527 TDC tool will work with Vortec cylinder heads.
    Answered by: jshook
    Date published: 2025-10-05

    Will this tool work on a stock 2002 vortec v6?

    Asked by: Ironman
    The Jegs 555-80527 stop will work with a GM Vortec V6.
    Answered by: jshook
    Date published: 2024-10-02

    Will this work on a 302 motor?

    Asked by: Geo62
    The Jegs 555-80527 TDC tool work on engines with 14mm spark plug holes.
    Answered by: jshook
    Date published: 2024-07-18
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