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1.570'' O.D. Double Valve Springs
- NexTek Oval Track/Endurance Valve Springs
- 1.570'' O.D.
- 0.750'' I.D.
- 575 lbs./in. Spring Rate
- 280 @ 2.030'' Installed
- 700 @ 1.300'' Open
- 0.730'' Max Valve Lift
- 1.215'' Coil Bind
- Double Spring with Damper
- 16/pkg.
- Type of Spring: Double Coil with Damper
- Color Code: N/A
- Installed Height and Pressure: 2.030' @ 280 lbs./in.
- Open Height and Pressure: 1.300' @ 700 lbs./in.
- Spring Rate: 575 lbs./in.
- O.D. of Outer Spring: 1.570'
- I.D. of Outer Spring: 1.121'
- I.D. of Inner Spring: 0.750'
- Coil Bind height: 1.215'
- Weight: 170 grams
- Damper Included: Yes
Click Here to see 660-221441 Valve Spring Load Chart
BrandMANLEY
Package Height3.8
Package Width4.2
Package Length15.4
Weight6.25 PG
Package Qty1
Package TypeEA
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