Manley Performance Oval Track NexTek Series 1.56in Dia / .750in lift High Performance Valve Springs - Set of 16 (221442-16)
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NexTek® Series Drag Race, Oval Track & Endurance Solid Roller Polished Valve Springs - Set of 16 by Manley Performance
These Manley NexTek valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines. They're manufactured from super-clean, high-tensile chrome silicon steel and are shot-peened to MIL specs for maximum fatigue life. They feature a proprietary, multi-step heat-treating that minimizes load loss and have computer-aided modeling to minimize valve bounce and valve gear separation.
The Manley NexTek valve springs are smaller diameter and lightweight, allowing engines to rev higher faster. They have an extended tip thickness designed to eliminate overload breakage, and their tightly controlled open-end flatness reduces valve stem side loading.
Features
- Double Without Damper
- Manufactured from “super clean” Hi-Tensile Chrome Silicon steel
- Tip thickness designed to eliminate overload breakage
- Shot-peened to MIL spec for maximum fatigue life
- Computer-aided modeling or designs minimizes valve bounce and valve gear separation
- Tightly controlled open end flatness reduces valve stem side loading
- Proprietary multi-step heat treating minimizes load loss
- Optimized “Select Size Fitting” between outer and inner springs to maximize harmonic dampening and reduce heat generated during operation
- Many offerings are a damperless design which eliminates unnecessary damper weight and reduces retainer wear
Benefits
- No degradation of spring pressure in the later stages of a race
- Specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities
- NexTek® Series valve springs have been tested by leading engine builders and are confirmed to be the best performing valve springs on the market today
Please Note: The image provided is generic and may not be an accurate representation of the product you will receive
Applications
- Universal
What's In The Box?
- 16 - Valve Springs
Warranty
- Manley products, due to their intended use, are sold without warranty.
