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1.580'' O.D. Double Valve Springs
- NexTek Oval Track/Endurance Valve Spring
- 1.580'' O.D.
- 0.832'' I.D.
- 535 lbs./in. Spring Rate
- 235 @ 1.950'' Installed
- 610 @ 1.250'' Open
- 0.730'' Max Valve Lift
- 1.170'' Coil Bind
- Double Spring (No Damper)
- 1/pkg.
- Type of Spring: Double Coil without Damper
- Color Code: White Stripe
- Installed Height and Pressure: 1.950' @ 235 lbs./in.
- Open Height and Pressure: 1.250' @ 610 lbs./in.
- Spring Rate: 535 lbs./in.
- O.D. of Outer Spring: 1.580'
- I.D. of Outer Spring: 1.147'
- I.D. of Inner Spring: 0.832'
- Coil Bind height: 1.170'
- Weight: 150 grams
- Damper Included: No
Click Here to see 660-221443 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height2.1
Package Width2.9
Package Length4.7
Weight0.35 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221443-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
