440 Arrington Hemi Engine Keyed Crankshaft
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On stock Third Gen Hemis, the damper and pulley setup are a tapered fit, and the crank bolt holds it all in place. If the crank bolt comes loose or breaks, it won't take long for your balancer/pulley to come off, and then the engine takes it tough. The Arrington 440 features a keyed crankshaft and pulley combination that alleviates that problem. View Related Article
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