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Manley Springs Single Hemi Drag Pak 221431X-16

MAN221431X-16
Valve Springs, Retainers
  • Quantity: 1
$572.70 CAD $515.43 CAD
Special Order · Request an ETA
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...
$515.43 CAD

Special Order

This item is ordered on request. Request an ETA before ordering.

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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.

  • Tightly controlled open-end flatness reduces valve stem side loading
  • Manufactured from “super clean” Hi-Tensile Chrome Silicon steel
  • Proprietary multi-step heat treating minimizes load loss
  • Tip thickness designed to eliminate overload breakage
  • Shot-peened to MIL spec for max fatigue life
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