Cam 07 Z
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These camshafts demonstrate the visual difference between a flat-tappet design (left) and a roller design (right). Notice that the roller camshaft's lobes have a blunt nose as compared to the flat-tappet camshaft's sharper lobes (arrows). The roller cam's steeper ramps and blunter lobe nose allows the valve to hold open longer at higher lifts. View Related Article
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