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.
1.570'' O.D. Double Valve Springs
- NexTek Oval Track/Endurance Valve Springs
- 1.570'' O.D.
- 0.760'' I.D.
- 534 lbs./in. Spring Rate
- 255 @ 2.000'' Installed
- 630 @ 1.300'' Open
- 0.700'' Max Valve Lift
- 1.190'' Coil Bind
- Double Spring with Damper
- 16/pkg.
- Type of Spring: Double Coil with Damper
- Color Code: N/A
- Installed Height and Pressure: 2.000' @ 255 lbs./in.
- Open Height and Pressure: 1.300' @ 630 lbs./in.
- Spring Rate: 534 lbs./in.
- O.D. of Outer Spring: 1.570'
- I.D. of Outer Spring: 1.137'
- I.D. of Inner Spring: 0.760'
- Coil Bind height: 1.190'
- Weight: 165 grams
- Damper Included: Yes
Click Here to see 660-221440 Valve Spring Load Chart
BrandMANLEY
Package Height3.8
Package Width3.8
Package Length15.4
Weight5.95 PG
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![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
Some parts are not legal for use in California or other states with similar laws / regulations
