Trick Flow Valve Spring Upgrade Kit for Ford 4.6L/5.4L 2V Engines, Chromoly Retainers, 275lbs Spring

When you're changing cams or making other valvetrain upgrades to a Ford 4.6L or 5.4L 2V engine, it's important to replace the stock valve springs with a set designed to handle the increased valve lift. Trick Flow valve spring upgrade kits feature a beehive spring design so they can be installed without machine work to the heads. Kits come with springs, chromoly retainers, locks, seals, and instructions. Note: Spring OD tapers from 1.050 in. to 0.940 in.
Specs:
Valve Spring Style: Beehive
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Chromoly steel
Outside Diameter of Outer Spring (in.): 1.050 in.
Coil Bind Height (in.): 0.970 in.
Damper Spring Included: No
Spring Rate (lbs/in.): 275 lbs./in.
Inside Diameter of Outer Spring (in.): 0.750 in.
Locks Included: Yes
Lock Material: Steel
Lock Groove Quantity: 3-groove
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Springs Coated: No
Valve Stem Diameter (in.): 0.275 in.
Valve Stem Diameter (mm): 7.00mm
Remanufactured: No
Quantity: Sold as a kit.
Notes: Spring OD tapers from 1.050 in. to 0.940 in.