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Instruction Sheets for Part Number TFS-2500500
Charts & Guides for Part Number TFS-2500500
Trick Flow® Valve Spring Upgrade Kits for Ford 4.6L/5.4L 2V Engines TFS-2500500
Part Number: TFS-2500500
Trick Flow® Valve Spring Upgrade Kits for Ford 4.6L/5.4L 2V Engines
Twisted Wedge Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
TFS-2500500
Part Type:
Product Line:
Summit Racing Part Number:
TFS-2500500
UPC:
842645105531
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.):
0.980 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
208 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.
Engine Family:
FORD MODULAR V8 GAS
Make:
FORD
Installed Height (in.):
1.600 in.
Seat Pressure at Installed Height (lbs.):
90 lbs.
Open Height (in.)(application):
1.020
Open Pressure (lbs.):
205 lbs.
Trick Flow® Valve Spring Upgrade Kits for Ford 4.6L/5.4L 2V Engines
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.
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