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Your cart is empty.COMP Cams Top Dead Center Stops are designed to positively stop the piston in order to find top dead center. The bolt style screws into the spark plug hole, while our universal plate type bolts across any cylinder bore when the heads are off.
John
Reviewed in Canada on November 28, 2023
Works great
Chuck J.
Reviewed in the United States on July 15, 2022
This tool works well and is not a complicated thing. It easily screws into the spark plug hole and adjusts to what you need, is consistent, and easy to remove.
Bub
Reviewed in the United States on June 13, 2022
Return it bc i bought wrong size but was impressed by hig quality materials used
Rogue
Reviewed in the United States on November 9, 2022
This is a great simple tool that helped me find TDC when my crank pulley had no timing marks and a new distributor was installed.
Freelancer
Reviewed in Canada on October 22, 2022
For some reason it looked like someone else used it and they re-bagged it, it was still functional. Sturdy enough to do the job.
Richard A
Reviewed in the United States on April 20, 2022
Purchased these in hopes to locate TDC on my 66 Mustang. They did not even come close to fitting the cylinder spark plug hole. Should be a 18 mm threadNot even closeA 18mm spark plug fits fine. So does a 18mm compression tester.not this , these must be designed incorrectlyNot a good product
chris
Reviewed in the United States on June 20, 2018
Works as it should
Johnc
Reviewed in the United States on June 1, 2018
Didn’t get it to work
fordgt
Reviewed in the United States on August 10, 2017
Works great for heads that utilize 18mm spark plugs
Nathan Baker
Reviewed in the United States on June 28, 2017
I needed to find TDC on a 1965 F100 and this worked well.With these tools, I find it easier to remove ALL of the spark plugs so that I'm not fighting against the engine compression.
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