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1.500'' O.D. Valve Springs
- NexTek Lightweight Dual Drag Race Valve Springs
- 1.500'' O.D.
- 0.710'' I.D.
- 797 lbs./in. Spring Rate
- 450 @ 2.175'' Installed
- 1250 @ 1.175'' Open
- 1.000'' Max Valve Lift
- 1.130'' Coil Bind
- Double Spring (No Damper)
- 16/pkg.
- Type of Spring: Double without Damper
- Color Code: Super Finished
- Installed Height and Pressure: 2.175' @ 450 lbs./in.
- Open Height and Pressure: 1.175' @ 1250 lbs./in.
- Spring Rate: 797 lbs./in.
- O.D. of Outer Spring: 1.500'
- I.D. of Outer Spring: 1.050'
- I.D. of Middle Spring: N/A
- I.D. of Inner Spring: 0.710'
- Coil Bind height: 1.130'
- Weight: 143 grams
- Damper Included: No
Click Here to see 660-221455 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height3.8
Package Width4.2
Package Length15.4
Weight5.49 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221455-16
Package Qty1
Package TypeEA
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