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

Polished NexTek Drag Race Valve Spring 1.677" O.D.

$5677
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

1.677'' O.D. Triple Valve Springs
  • Polished Finish
      • Polished 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: Polished Finish (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 Height1.3
    Package Width1.3
    Package Length2.6
    Weight0.45 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number221448P-1
    Package Qty1
    Package TypeEA
    No Questions
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