Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Ford 4.6L/5.4L
- NexTek H.P. Valve Spring
- 4.6/5.4L SOHC 3V
- 1.101'' O.D.
- 0.650'' I.D.
- 258 lbs./in. Spring Rate
- 110 @ 1.670'' Installed
- 260 @ 1.090'' Open
- 0.580'' Max Valve Lift
- 1.020'' Coil Bind
- Single Conical Ovate Wire
- 1/pkg.
Ford 4.6L, 5.4L SOHC 3-Valve stock diameter hydraulic roller applications.
- Type of Spring: Super Finish Single Conical Ovate Wire
- Color Code: N/A
- Installed Height and Pressure: 1.670' @ 110 lbs./in.
- Open Height and Pressure: 1.090' @ 260 lbs./in.
- Spring Rate: 258 lbs./in.
- O.D. of Outer Spring: 1.013' Top / 1.101' Bottom
- I.D. of Outer Spring: 0.650' Top / 0.738' Bottom
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: N/A
- Coil Bind height: 1.020'
- Weight: 49 grams
- Damper Included: No
Click Here to see 660-221433 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221433-1
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
![Valve Spring Micrometer [1.800 in. - 2.200 in. Height Range]](https://www.jegs.com/images/mini_200/500/555/555-80536.jpg)
JEGS
Valve Spring Micrometer [1.800 in. - 2.200 in. Height Range]
Part Number : 555-80536
$6899$75.99
You Save$7.00
![Valve Spring Micrometer [1.400 in. - 1.800 in. Height Range]](https://www.jegs.com/images/mini_200/500/555/555-80535.jpg)
JEGS
Valve Spring Micrometer [1.400 in. - 1.800 in. Height Range]
Part Number : 555-80535
$4199$46.99
You Save$5.00
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
JEGS
Part Number : 555-80536
$6899$75.99
You Save$7.00
Some parts are not legal for use in California or other states with similar laws / regulations
