PAC Beehive Ovate Spring set fits all 99-UP PI headed 4.6 and 5.4 engines as a drop in replacement. Will fit with OEM retainers, seals and locks for up to .550" Lift. May also be used with any OEM sized Moly or Titanium Retainers. This is a set of 16 pcs.
- Part#PAC-1213
- NameValve Spring
- Alt Part#PAC-1213-16
- DescriptionFord 4.6L 2V .550 lift Beehive Ovate Valve Spring
- OD Large End1.061
- ID Large End0.738
- ID Small End0.636
- Install Height1.640
- Load at Installed Height80
- Spring Open Height1.090
- Spring Open Load185
- Recommended Valve Lift0.550
- Spring Rate (lbs/in)190.909
- Mass (grams)37.20
- Coil Bind (max)1.020
