National Dragster, October 7, 2011: Sponsor Spotlight In the world of racing engine components, Michigan native Bob Fox has had several memorable moments. His pioneering efforts include the perfecting of the one-piece, double-tapered, 7/16-inch competition pushrod; tool steel flat tappets that operate on cast-iron camshafts, giving four to five times longer life that the originals; the Spintron, a racing engine test rig; and…

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