Six Cylinder Performance Guide Six Head Casting
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This is a '65 200ci six cylinder-head casting with a fresh machining and valve job. Note the smooth deck, new valves, and clean surfaces. These are 50cc chambers. Chambers grew larger later to lower compression for civilized operation with low-octane gasoline. Hardened exhaust valve seats arrived in 1972 for reliable operation with low-lead and no-lead fuels. View Related Article
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