Why OVERHEAD CAMS and How Did WE GET HERE?

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Why OVERHEAD CAMS and How Did WE GET HERE?

C
Cycle World

35,652 Views • Jan 21, 2026

Description

Kevin will start with atmospheric intake valves and someone from the 1800s, but for real we are talking about Overhead Cams here. Why has OHC become the standard for four-stroke-engine valve operation and what are its advantages. Also, you won't believe how old the technology is. Join Kevin and Mark for the bumpy world of cams above the head.

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