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1.677'' O.D. Triple Valve SpringsPolished Finish
- Polished NexTek Drag Race Valve Spring
- 1.677'' O.D.
- 0.635'' I.D.
- 746 lbs./in. Spring Rate
- 350 @ 2.000'' Installed
- 895 @ 1.270'' Open
- 0.800'' Max Valve Lift
- 1.160'' Coil Bind
- Triple Spring (No Damper)
- 1/pkg.
Note: Advertised pressures are achieved after springs have been pressed solid three times.
- Type of Spring: Triple without Damper
- Color Code: Polished Finish (Pink Stripe)
- Installed Height and Pressure: 2.000' @ 350 lbs./in.
- Open Height and Pressure: 1.270' @ 895 lbs./in.
- Spring Rate: 746 lbs./in.
- O.D. of Outer Spring: 1.677'
- I.D. of Outer Spring: 1.203'
- I.D. of Middle Spring: 0.874'
- I.D. of Inner Spring: 0.635'
- Coil Bind height: 1.160'
- Weight: 195 grams
- Damper Included: No
Click Here to see 660-221447 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height1.3
Package Width1.6
Package Length2.7
Weight0.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221447P-1
Package Qty1
Package TypeEA
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