Manley 221436-1 Manley Valve Spring, 1.290 DOUBLE

221436-1 Manley Valve Spring, 1.290 DOUBLE

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Manley
Manley Part No. MAN221436-1
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MAN221436-1

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Product Information

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high-RPM performance. Built to outperform and outlast in real-world competition.

Product Information

From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high-RPM performance. Built to outperform and outlast in real-world competition.

Technical Information

Features
• Manufactured from “super clean� Hi-Tensile Chrome Silicon steel
• Tip thickness designed to eliminate overload breakage
• Shot-peened to MIL spec for max fatigue life
• Proprietary multi-step heat treating minimizes load loss
• Tightly controlled open-end flatness reduces valve stem side loading
Specifications
Manufacturer
Manley
MPN
Not provided
UPC
807298105321
Our Part Number
MAN221436-1
Average Gram Weight: 93
Product Type: Engine Valve Spring
Valve Spring Outer Diameter: 1.295
Valve Spring Inner Diameter: 0.676
Valve Spring Quantity: 1
Valve Spring Series: NexTek? Series
Valve Spring Material: Chrome Silicon
Valve Spring Type: Double
Valve Spring Coil Bind Height: 1.050
Valve Spring Rate: 379
Valve Lift - Maximum: 0.660
Installed Pressure and Height: 155 @ 1.810
Open Pressure and Height: 405 @ 1.110
Engine Type: ICE
Fitment

Confirm compatibility with our team before ordering when your application is not listed.

Brand

Manley

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