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GM LS-Series
- NexTek H.P. Valve Spring
- GM LS-series
- 1.340'' O.D.
- 0.726'' I.D.
- 394 lbs./in. Spring Rate
- 170 @ 1.810'' Installed
- 450 @ 1.110'' Open
- 0.700'' Max Valve Lift
- 1.050'' 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: 1.810' @ 170 lbs./in.
- Open Height and Pressure: 1.110' @ 450 lbs./in.
- Spring Rate: 394 lbs./in.
- O.D. of Outer Spring: 1.340'
- I.D. of Outer Spring: 0.994'
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: 0.726'
- Coil Bind height: 1.050'
- Weight: 94 grams
- Damper Included: No
Click Here to see 660-221435 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height1.5
Package Width1.6
Package Length3.0
Weight0.2 PG
Part CategoryPerformance Parts
Installed Height (In)1.810 in.
Open Height (In)1.150 in.
Damper Spring IncludedNo
QuantitySold individually
Outside Diameter Of Outer Spring (In)1.340 in.
Seat Pressure At Installed Height (Lbs)170 lbs.
Part FitmentSemi Universal
Spring Rate (Lbs/In)394 lbs./in.
Coil Bind Height (In)1.050 in.
Open Pressure (Lbs)450 lbs.
Number Of Springs Per ValveDual
Vendor Part Number221435-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
