Chevy 348 Big Block Engine Restoration High Pressure Valve Springs
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High-pressure valve springs (over 350 pounds) tend to smear rebuilder-grade cam bearings. Use hardened '55-63 small-block cam bearings from Durabond to solve the problem (PN CHP-4). The first four are a direct fit, but the No. 5 bearing needs to have a trio of oil feed holes drilled as indicated by the pointers. View Related Article
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