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GM LS-Series
- NexTek H.P. Valve Spring
- GM LS-series
- 1.324'' O.D.
- 0.676'' I.D.
- 435 lbs./in. Spring Rate
- 165 @ 1.800'' Installed
- 515 @ 1.000'' Open
- 0.800'' Max Valve Lift
- 0.900'' Coil Bind
- Double Spring (No Damper)
- 1/pkg.
GM LS-series high performance hydraulic roller applications
- Type of Spring: Polished Double Coil without Damper
- Color Code: N/A
- Installed Height and Pressure: 1.800' @ 165 lbs./in.
- Open Height and Pressure: 1.000' @ 515 lbs./in.
- Spring Rate: 435 lbs./in.
- O.D. of Outer Spring: 1.324'
- I.D. of Outer Spring: 0.920'
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: 0.676'
- Coil Bind height: 0.900'
- Weight: 90 grams
- Damper Included: No
Click Here to see 660-221421 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height1.5
Package Width2.4
Package Length4.6
Weight0.18 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221421-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
