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1.570'' O.D. Double Valve Springs
- NexTek Oval Track/Endurance Valve Spring
- 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
- 1/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
Part TypeValve Spring
BrandMANLEY
Package Height2.0
Package Width2.0
Package Length4.0
Weight0.4 PG
Vendor Part Number221440-1
Package Qty1
Package TypeEA
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