Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededMANLEYPART NUMBER: 660-221425-16
NexTek Drag Race Valve Springs 1.640" O.D.
$40974
More than 10 available
Ships Today
Lowest Price Guarantee1.640'' O.D. Double Valve Springs
- NexTek Drag Race Valve Springs
- 1.640'' O.D.
- 0.860'' I.D.
- 604 lbs./in. Spring Rate
- 280 @ 2.100'' Installed
- 795 @ 1.250'' Open
- 0.900'' Max Valve Lift
- 1.150'' Coil Bind
- Double Spring (No Damper)
- 16/pkg.
- Type of Spring: Double without Damper
- Color Code: Green Stripe
- Installed Height and Pressure: 2.100' @ 280 lbs./in.
- Open Height and Pressure: 1.250' @ 795 lbs./in.
- Spring Rate: 604 lbs./in.
- O.D. of Outer Spring: 1.640'
- I.D. of Outer Spring: 1.185'
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: 0.860'
- Coil Bind height: 1.150'
- Weight: 160 grams
- Damper Included: No
Click Here to see 660-221425 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height3.8
Package Width3.9
Package Length15.4
Weight6.16 PG
Part CategoryPerformance Parts
CoatedNo
Outside Diameter Of Outer Spring1.64 in (41.7 mm)
Inside Diameter Of Outer Spring1.185 in (30.099 mm)
Coil Bind Height1.15 in (29.21 mm)
Damper Spring IncludedNo
Spring Rate604 lbs./in.
QuantitySold as a set of 16
Part FitmentSemi Universal
Inside Diameter Of Inner Spring0.86 in (21.844 mm)
Valve Spring StyleStandard
Number Of Springs Per ValveDual
Vendor Part Number221425-16
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![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 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 [1.400 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
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
