Manley Performance

Manley NexTek Drag Race Valve Springs 1.500in OD .950in Lift 405lb Installed Set of 16

SKU: man221457-16 UPC: 807298039657
In stock
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$868.29

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This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

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Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

Manley NexTek Lightweight Dual Drag Race valve springs in a double configuration, built for Super Stock and Competition Eliminator applications. The outer spring measures 1.500 in. O.D. and the set is rated to .950 in. maximum valve lift.

Key Features

  • Manufactured from specially processed high tensile chrome silicon steel
  • Shot peened to MIL spec for maximum fatigue life
  • Multi-step heat treating minimizes load loss over a run
  • Computer-aided design work targets valve bounce and valvetrain separation
  • Tightly controlled open end flatness reduces valve stem side loading

Fitment

  • Recommended use: Super Stock and Competition Eliminator

Product Details

  • Series: Manley NexTek Lightweight Dual Drag Race
  • Spring Type: Double
  • Maximum Valve Lift: .950 in.
  • Outer Spring O.D.: 1.500 in.
  • Inner Spring I.D.: .710 in.
  • Installed Pressure: 405 @ 2.150 lbs.
  • Open Pressure: 1165 @ 1.200 lbs.
  • Spring Rate: 800 lbs./in.
  • Coil Bind Height: 1.130 in.
  • Weight: 150 grams each
  • Quantity: Set of 16
  • Manufacturer Part Number: 221457-16

Shipping Height: 3.63

Shipping Length: 15.38

Shipping Width: 3.63

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