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Summit Racing Ford Small Block Engine Build Valve Springs

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Inner and outer valvesprings are massaged to remove rough edges, then coated with 321 dry lubricant to reduce internal friction. When you add up 16 inner and 16 outer valvesprings, frictional losses become enormous.
347ci Small Block Build - Hammer Time! - Part 1

 Inner and outer valvesprings are massaged to remove rough edges, then coated with 321 dry lubricant to reduce internal friction. When you add up 16 inner and 16 outer valvesprings, frictional losses become enormous.  View Related Article

 

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