Manley NexTek Valve Springs 1.530in OD .630in Lift 150lb Installed Set of 16
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Regular price
$520.15
Verified Fitment & Application Support
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 Drag Race, Oval Track and Endurance valve springs in a double with damper configuration, built for Late Model Stock with Flat Tappet applications. The outer spring measures 1.530 in. O.D. and the set is rated to .630 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: Late Model Stock with Flat Tappet
Product Details
- Series: Manley NexTek Drag Race, Oval Track and Endurance
- Spring Type: Double with damper
- Maximum Valve Lift: .630 in.
- Outer Spring O.D.: 1.530 in.
- Inner Spring I.D.: .750 in.
- Installed Pressure: 150 @ 1.900 lbs.
- Open Pressure: 425 @ 1.270 lbs.
- Spring Rate: 435 lbs./in.
- Coil Bind Height: 1.170 in.
- Weight: 152 grams each
- Quantity: Set of 16
- Manufacturer Part Number: 221432-16
Shipping Height: 2.5
Shipping Length: 6.5
Shipping Width: 6.0