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Special Order Item
Manley Ford 4.6L/5.4L DOHC NexTek Series High Performance Valve Springs (4 valves per cylinder)
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Manley Performance NexTek Series High Performance Valve Springs (4 valves per cylinder) fits 1999-2001, 2005-2008 Ford GT 4.6L/5.4L DOHC / 1999-2001, 2005-2008 Ford Mustang 4.6L/5.4L DOHC

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

221434-32
Special Order: Contact us to check stock and shipping lead times! Use LIVE HELP or call (724) 479-5480
$717.01 USD $645.99 USD
$645.99 USD

Manley Performance NexTek Series High Performance Valve Springs (4 valves per cylinder) fits 1999-2001, 2005-2008 Ford GT 4.6L/5.4L DOHC / 1999-2001, 2005-2008 Ford Mustang 4.6L/5.4L DOHC
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.

This Part Fits:

Year Make Model Submodel
2005-2006 Ford GT Base
2007-2008 Ford Mustang Shelby GT500
1999,2001 Ford Mustang SVT Cobra
2000 Ford Mustang SVT Cobra R
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