Nothing beats the feeling of rolling a Dodge Ram pickup with a freshly compound-turbocharged Cummins diesel engine out of the shop and onto the street for the first time and experiencing the reward ...

The trapezoidal shape is said to eliminate the possibility of the O-ring popping out, unlike standard round-shape O-rings that rely on being pinched by the groove retaining ring for seal retention.

O-rings and guide rings are both used on hydraulic cylinders, but they handle different tasks. O-rings are often the first choice for engineers because of their flexibility and performance in static ...