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I have 2 sets of Manley nextek triple valve springs. Part number is 221451-16 The first set has dyno passes only. The second set has 25 passes. These were used in a 638 pulling engine. spring specs are [email protected] [email protected] spring OD 1.677 spring ID .635 coil bind 1.180. Both sets of spring are in very good condition. New these spring are over $700.00 $250.00 Obo set plus the ride Pm me with a questions
 

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Manley Nextek triple valve spring

TTT Make an offer on 1 set or both sets. I hate discard these if someone has use for them.
 
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