Product Description
These springs are recommended for very high boost and high RPM engines.
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.100 in.
Coil Bind Height (in.):
0.850 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
233 lbs./in.
Inside Diameter of Outer Spring (in.):
0.820 in.
Inside Diameter of Inner Spring (in.):
0.620 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold as a set of 16.
Notes:
High load valve spring developed for Ford 4.6L/5.4L 2V cylinder heads. 8,000+ RPM capacity; enhanced surface finish for increased endurance.
Installed Height (in.):
1.500 in.
Seat Pressure at Installed Height (lbs.):
150 lbs.
Open Height (in.)(application):
0.900
Open Pressure (lbs.):
290 lbs.
