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NexTek Drag Race Valve Spring 1.677" O.D.
InfoVehicle Info Needed
MANLEYPART NUMBER: 660-221448-1

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.
  • 733 lbs./in. Spring Rate
  • 350 @ 2.100'' Installed
  • 1010 @ 1.200'' Open
  • 0.900'' Max Valve Lift
  • 1.142'' 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: Orange Stripe
  • Installed Height and Pressure: 2.100' @ 350 lbs./in.
  • Open Height and Pressure: 1.200' @ 1010 lbs./in.
  • Spring Rate: 733 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: 1.142'
  • Weight: 196 grams
  • Damper Included: No

    Click Here to see 660-221448 Valve Spring Load Chart
Part TypeValve Spring
BrandMANLEY
Package Height2.5
Package Width2.5
Package Length2.75
Weight0.43 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number221448-1
Package Qty1
Package TypeEA
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