Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

At Circle Track, we're all about helping you do more for yourself. But sometimes that's just not realistic. That's not casting doubts on the intelligence of our readership. Just like your mom, we ...

Nissan has set a new benchmark in engine innovation by introducing the world’s first valve seat manufactured using cold spray technology. This breakthrough debuts in the new 1.5-liter turbocharged ...