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Vehicle Info NeededMANLEYPART NUMBER: 660-221446SF-16
Super Finished NexTek Oval Track/Endurance Valve Springs 1.400" O.D.
$83685
Ships on 10/01/2026
Lowest Price Guarantee1.400'' O.D. Double Valve SpringsSuper Finished
- Super Finished NexTek Oval Track/Endurance Valve Springs
- 1.400'' O.D.
- 0.700'' I.D.
- 575 lbs./in. Spring Rate
- 240 @ 2.050'' Installed
- 700 @ 1.250'' Open
- 0.800'' Max Valve Lift
- 1.150'' Coil Bind
- Double Spring (No Damper)
- 16/pkg.
- Type of Spring: Double Coil without Damper
- Color Code: Super Finished
- Installed Height and Pressure: 2.050' @ 240 lbs./in.
- Open Height and Pressure: 1.250' @ 700 lbs./in.
- Spring Rate: 575 lbs./in.
- O.D. of Outer Spring: 1.400'
- I.D. of Outer Spring: 0.990'
- I.D. of Inner Spring: 0.700'
- Coil Bind height: 1.150'
- Weight: 125 grams
- Damper Included: No
Click Here to see 660-221446 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221446SF-16
Package Qty1
Package TypeEA
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