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Mustang 2011-2014 Boss 302R Valve Spring Kit

SKU: M6513M50BR

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About This Item

About This Item

  • Valve spring used on 2012-2013 Mustang Boss 302 engine
  • Higher seat pressure than base valve spring
  • 300 N closed 700 N open Boss 302
  • 265 N closed 650 N open Mustang GT
  • Installed height 40mm, same as Mustang GT
  • 8000 rpm compatible
  • Use with cams up to 13mm lift 
  • Can be used on base 5.0L Ti-VCT head
  • Sold in sets of 16