AMS Racing .560" Lift Value Valve Springs Kit for GM Gen III IV 4.8 5.3 6.0 Engines
$144.95
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-set of 16-fits GEN III / IV LS style engines (4.8L, 5.3L, 5.7L, 6.0L, 6.2L)-100 lbs @ 1.800"; 300 lbs @ 1.240"-beehive design-includes retainers, locks, and top hat valve stem seals
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