Whether you're changing cams or making other valvetrain upgrades to the 4.6L or 5.4L 2V engine in your 1996-2004 Mustang, this Trick Flow Stock Cylinder Head Valve Spring Upgrade Kit TFS-2500500 is designed to handle the increased valve lift. Featuring beehive-style valve springs, this kit eliminates the need for machine work to the heads, allowing for a simple, hassle-free installation.
All of the components in the kit were proudly manufactured in the USA, including the springs, Chromoly steel retainers, 7-degree locks and seals. You can count on these components for unparalleled strength and durability. The kit features a 208 lbs/in spring rate with the outside diameter of the outer spring measuring 1.050 inches and the inside diameter of the outer spring measuring 0.750 inches. Ideal for your next weekend project, this kit allows you to upgrade your valvetrain and get back on the road again!
Features and Benefits:
- Beehive Spring Style for Easy Installation
- Ideal for Valvetrain Upgrades
- 0.275 in. Valve Stem Diameter
- 0.980 in. Coil Bind Height
- 0.500 in. Valve Guide Diameter
- Durable Chromoly Steel Retainers
- 7-Degree, 3-Groove Steel Locks
- 208 lbs/in Spring Rate
- Proudly Made in the USA!
*Damper spring not included.
- Installed Height: 1.600 in.
- Seat Pressure at Installed Height: 90 lbs.
- Open Height: 1.020 in.
- Open Pressure: 205 lbs.
Please Note: Spring OD tapers from 1.050 in. to 0.940 in.