COMP Cams Grooving Tool .874 Diameter

Marsoni

M251S

$110.88

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Grooving Tool .874 DiameterDeveloped by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and Camshaft. This increased oiling significantly reduces wear on the Camshaft and lifters and decreases the risk of premature failure during break in. This machine operations to the block is quick, easy, inexpensive and is the best insurance for a new Cam

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We offer a 30-day return/exchange service after receiving.
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I only write a review when I have a strong opinion and want to help others decide. I've been having trouble with cracked heels for months. Previously I had just been using regular socks, but these slip-ons have been game changers! They don't make my feet hot at night. They are comfortable and in the morning my heels feel soft, and I don't need to use them everyday. They look good and fit well even if I want to wear them under socks or in shoes during the day. They really do help if you have cracked heels along with some kind of lotion. Definitely effective!

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Reviewed in the United States on May 19, 2025

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Beverly K.

Natrona Heights, US

★★★★★ 5

Cracked heels are gone after 5 applications

Size: Regular, Color: Cream

These moisturizing socks work great. My heels are happy again. The open toe design makes it so my feet don’t overheat at night. It only took 5 times to get rid of my painful cracked heels. Now I wear them 1-2 times a week to keep my heels healthy.

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Reviewed in the United States on January 6, 2026

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Lori

Waukegan, US

★★★★★ 4

Really nice but needs a few small improvements

Size: Regular, Color: Cream

Super comfortable and the gel lining feels so nice on my feet. They seem to do their job and help with moisturizing and so far the quality has been great. I deducted a star because they can be difficult to clean and may not fit wider feet. Otherwise a great value for your money

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Reviewed in the United States on December 31, 2025

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Sandy B

Chelsea, US

★★★★★ 5

Perfect socks for cracked heels

Size: Regular, Color: Cream

These are the best for your cracked heels. They still keep their shape and softening power even after washing.

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Reviewed in the United States on January 4, 2026

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