BOSS 302R VALVE SPRING KIT
M-6513-M50BR*
Suggested Retail Price
$59.95
Sold in Units of:
Per Sixteen (16)
tech notes
- Valve spring used on 2012 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