Description
Part #: frpM-6513-M50BR
- 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
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