Image credit: Hi-Lo Step pulleys have two or more non-adjustable grooves which have different pitches located around the same shaft. These pulleys change the speed ratio of the transmission. Image ...

Every boat owner should know some basic engine maintenance, including alternator belt tensioning. Stu Davies shares his tips ...

Idler pulleys are used as belt tensioners and contain bearings that allow free rotation. Companion pulleys have ribbed webs for high strength-to-weight ratios. Multiple-size pulleys use step-down or ...

A v-belt water pump pulley should be a standard rotation pump. A serpentine belt water pump pulley with ribs should be a ...