Worldwide, Honda enthusiasts invest hundreds, if not thousands of dollars on their powerplants to extract the utmost in power and reliability. Whether they opt to keep their Honda naturally aspirated, ...

Before starting this valvespring story I thought I had a grasp of its mechanics, but then as it developed it became ever more complicated until it reached a point where I doubted if I had any ...

Fittings such as these, for connecting a compressed air line to the spark plug hole for valve support, are available at most auto parts stores. Occasionally it is necessary or desirable to inspect or ...

Those wound-up pieces of high-tensile steel under your rocker arms work so hard closing your valves over millions of cycles that they could probably use a replacement right about now. We're talking ...

A six-component check-valve assembly, critical to tractors and off-road vehicles, has an improved design and simplified assembly process A six-component check-valve assembly, critical to tractors and ...

Over 4,000 Hyundai Palisades from the 2024 model year are subject to a new recall due to faulty valve springs that could potentially break. While only one percent of the recall population is likely ...