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  • Complete package with valves and springs for intake and exhaust
  • Matched steel valves and springs provide an engineered solution to your engine
  • OEM-quality valves manufactured by leading OEM suppliers
  • Precision valve springs with rates calculated for added loads from steel valves
  • Offer extended service life for increased reliability
  • 250F and 350F performance springs manufactured by premium race suppliers in the U.S.A.
  • 450F performance engineered for dependable, reliable running
  • Kits include moly paste for cam lobes and buckets