













Brush Research GBD40024 FLEX-HONE, 4 (101mm) Diameter, 240 Grit, Silicon Carbide Abrasive (Pack of 1)
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Michael Patrick
07-06-2025Great part when doing cylinders on refresh build. Thanks
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mbc
Greater than one weekwhat a product, real good finishing hone.
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Michael H.
> 3 dayWorks great, just remember to use oil or it gets aggressive.
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Tom C
> 3 dayUSED THIS FOR AN LS2 AND AN LS3. WORKED GREAT FOR BOTH. Some learning curve, but definitely adjust the crank as you go or you could slightly scuff it like I did. Not enough to cause a major issue, but did need to use 2000 grit sandpaper and wd40 to wet sand. thats user error. not the product.
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Raheen T Frasier
> 3 dayAwesomeness
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Lydia Bauch
> 3 dayWorked as expected
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Miss Beatrice Stanton III
> 3 dayI still use this to restore my Onan p218 and p220 engines.
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John Hughes
> 3 dayIt works perfectly
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Nick Kay
> 3 dayYes
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douglas duren
> 3 dayThis is the only way to go. Just get the right size for your cylinder