JEGS Premium Stud Mount Valve Spring Compressor

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Changing valve springs at the track or with the cylinder head on the bench has become a simpler task. Install on either 3/8'' or 7/16'' studs with spring diameters ranging from 1'' - 2''. The 12'' handle and rubber none slip grip to easily compress those high load race valve springs. For use with heads installed on the engine we recommend using the 555-80522 air hold adapter.