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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I had the worst nightmare using the APLB Tranexamic Acid Niacinamide Lotion. I used this product consistently for about three weeks, hoping it would help with brightening and hyperpigmentation, but instead it completely damaged my skin barrier. What started as mild irritation quickly turned into severe itching, redness, inflamed bumps, and intense skin sensitivity. Eventually, my skin developed dermatitis-like symptoms with painful inflammation, red rashes, and even slight bleeding in certain areas from constant irritation and scratching. Instead of improving, this lotion made my skin look worse — angry, inflamed, textured, and extremely reactive. The itching was unbearable, and the red bumps took a long time to calm down. If you have sensitive skin or are prone to eczema, contact dermatitis, or allergic reactions, please patch test very carefully before using this product. My experience was honestly terrible, and recovering my skin afterward took much longer than the three weeks I spent using it. (Still recovering after 2 months)

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Reviewed in the United States on May 28, 2026