Manley Ford 4.6L/5.4L DOHC NexTek Series High Performance Valve Springs (4 valves per cylinder)
Special Order Item
Please see shipping policy for more info
MAN221434-32
Pairs well with
销售价格$ 645.31正常价格
$ 717.01
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Manley Ford 4.6L/5.4L DOHC NexTek Series High Performance Valve Springs (4 valves per cylinder)
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.
Features
- 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
Applications
- 2005-2006 Ford GT Base
- 2007-2008 Ford Mustang Shelby GT500
- 1999,2001 Ford Mustang SVT Cobra
- 2000 Ford Mustang SVT Cobra R
What's Included
- 32 - Valve Springs
Product Details
- Manufacturer part number: 221434-32
- Manley products, due to their intended use, are sold without warranty
