Undercover Boss
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Look closely at the center two lobes on this Boss 302 camshaft and the reverse radius of curvature flanks of the lobes are just perceptible. This is the exotic stuff of Competition Eliminator dragsters not that many years ago, and now it’s certified for 150,000 miles in a production Ford. Having a roller-finger follower helps with the aggressive valve accelerations such a lobe produces as the roller more faithfully follows the lobe than a flat-tappet. View Related Article
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