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Product Details

MDR Crankcase Stor-N-Start prevents internal engine corrosion during off-season shut down and storage. Stor-N-Start's new formula for crankcase components provides a protective coating on all internal engine parts including cylinder walls, pistons, rings, bearings etc, preventing rust and corrosion. Meets MIL-L-21260 specifications.

If you've ever stored an engine for extended periods of time, you know that moisture in the block or head can do tremendous damage and lead to expensive rebuilds. This is a needless occurrence that the proper additive or oil can prevent.

Info & Guides

Simply pour into crankcase and run engine for 10 min. before storage. Use 8 ounces to treat a 5 quart crankcase.

Reviews for MDR Crankcase Stor-N-Start

1 of 1 Reviews

November 29, 2019

I use it every year on my boat and my vintage muscle car.
By The Captain from Brooklyn NY

Verified Purchase

Instead of changing your motor oil in the Fall before laying up your boat.....add this to your crankcase.....It puts a protective coating on your internal engine parts.....Then in the Spring do a complete oil change.....and start the season with new fresh oil. Some of the US Military uses this as storage for their vehicles when they are inactive for extended periods of time. I've been using this for as long as I can remember......It works for me,

Bottom Line Yes, I would recommend to a friend

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