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The COMP Cams single outer valve spring is produced through a controlled manufacturing process intended to deliver a high-quality spring for builder-selected assemblies. Listed dimensions are 1.437" OD and 1.073" ID. These single outer springs let engine builders assemble or customize spring packs while maintaining consistent valve control and durability expected in professional rebuilds or custom engine work.
COMP Cams Valve Spring 1.437in Outer W/D
