PAC RPM SERIES 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 .600" Lift. May also be used with any OEM sized Moly or Titanium Retainers. This is a set of 16 pcs.
- Part#PAC-1214X
- NameValve Spring
- Alt Part#PAC-1214X-16
- DescriptionRPM Series Beehive Valve Spring Ford 4.6L 2 Valve
- OD Large End1.061
- ID Large End0.698
- ID Small End0.636
- Install Height1.600
- Load at Installed Height120
- Spring Open Height1.080
- Spring Open Load285
- Recommended Valve Lift0.600
- Spring Rate (lbs/in)275
- Mass (grams)43.20
- Coil Bind (max)1.013
