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NexTek Drag Race Valve Spring 1.677" O.D.
InfoVehicle Info Needed
MANLEYPART NUMBER: 660-221447-1

NexTek Drag Race Valve Spring 1.677" O.D.

$4047
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

1.677'' O.D. Triple Valve Springs
    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: 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 Height1.5
Package Width1.7
Package Length3.0
Weight0.45 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221447-1
Package Qty1
Package TypeEA
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