Recently, I reported on the gem of my toolbox: my beloved Hercules 20V 1/2 in. Compact 3-Speed Impact Wrench from Harbor Freight. And during its time in my care, it’s made wrenching on my 2011 BMW ...

When a bolt or screw breaks off it leaves the hot rodder feeling befuddled and without hope. But take heart—Summit Racing Equipment, Harbor Freight, and Dave Akard of Burbank Speed are here to help ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...