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1.255'' O.D. Single Valve Springs
- Professional Series Valve Spring
- 1.255'' O.D.
- 0.870'' I.D.
- 470 lbs./in. Spring Rate
- 115 @ 1.750'' Installed
- 390 @ 1.175'' Open
- 1.100'' Coil Bind
- Single Spring with Damper
- 1/pkg.
- Type of Spring: Single Coil with Damper
- Installed Height and Pressure: 1.750' @ 115 lbs./in.
- Open Height and Pressure: 1.175' @ 390 lbs./in.
- Spring Rate: 470 lbs./in.
- O.D. of Outer Spring: 1.255'
- I.D. of Outer Spring: 0.870'
- I.D. of Inner Spring: N/A
- Coil Bind height: 1.100'
- Weight: 81 grams
- Damper Included: Yes
Click Here to see 660-22411 Valve Spring Load Chart
- Chrome silicon material
- Designed for low stress and long service life
- Proprietary multistep heat treating minimizes load loss
- Tightly controlled open end flatness reduces valve stem side loading
- Tip thickness designed to eliminate overload breakage
Click Here to see Valve Springs Load Chart
Manley's Professional valve springs are engineered for Oval Track and Drag Racing duties. They are constructed from a chrome silicon material to meet your needs for performance, endurance and reliability.
Features:Part TypeValve Spring
Product LineManley Professional Series Valve Springs
BrandMANLEY
Package Height2.75
Package Width2.75
Package Length4.5
Weight0.25 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number22411-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
