Manley High Performance 4V spring kit (does not fit GT500) Recommended for all Forced induction applications and aftermarket camshafts, compatible with all factory locks and retainers. Up to .525 Lift 95lbs seat pressure/270 open pressure.
Fits all 96-04 Cobra, Mach One 5.4 Lincoln Navigator and Lincoln Aviator cylinder heads.
.png "Ford 4.6 / 5.4 Crankshaft Gear (Thick Style)")
