Brush Research GBD40024 FLEX-HONE, 4 (101mm) Diameter, 240 Grit, Silicon Carbide Abrasive (Pack of 1)

Worked as advertised and shipped quickly

worked real good.Used it on a ford flathead motor

Worked Great !

Worked very well

These are the best brushes for honing your cylinder walls. I got nice 45 degree hone marks. It works VERY fast you put your drill on low speed and try to time it so you get the right degree of marks. It leaves a TON of residue so plan on power washing your block with cleaners. 3 to 5 passes is all it takes to clean up the walls. Remember you are removing glazing not boring your cylinder wall.

Bought this to rehone the 3.8 Buick cylinders after trying to use them old stone three arm hone devices. I have no idea why I ever thought that contraption would ever work. This thing is a beast. Takes seconds to use properly and I didnt have second thoughts about putting the crank back in and hooking up the Pistons. If you ever plan during your mid-life crisis that you must rebuild an engine, save yourself some time and get this and the next grit under and use these to perfectly hone your sbc or whatever man.

Did A super job on my cylinders, may last for ever.

Works awesome, followed directions on the box and was very easy to use. Using 10/30 oil, coating the cylinder and tool liberally, using the lowest speed on the dewalt. Using a fast in and out motion with a quicker pace for the last 3 seconds or so, got that nice 45 deg cross hatch pattern. One ball was missing from its wire so I cut that wire off flush, as to avoid any scoring of my cylinder walls.

Pricey

Hubby says this is a great tool in his engine rebuild.