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5.4L Modular GT Supercar/Shelby Performance Valve Springs
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  • Applications
Specifications:

Install Height: 1.730 Intake 1.575 Exhaust
Max. Valve Spring Lift: .600
Spring Pressure Closed: (Intake) 130lbs @ 1.630 (Exhaust) 140 @1.575
Spring Pressure Open: (Intake) 240lbs @ 1.130 (Exhaust) 260 @1.075
Coil Bind: .970
Retainer Material: Titanium or Steel

No machining necessary
Give added spring pressure needed for most aftermarket camshafts
Eliminate valve float to reduce the risk of any engine damage in high lift or RPM applications

Includes:

Livernois Motorsports Beehive Intake Springs (16)
Livernois Motorsports Beehive Exhaust Springs (16)
Titanium or Steel retainers (32)
Brand: Livernois

Item is in stock.

LPPGTSPRINGKIT-S for use on Ford Shelby GT 500 (2007-Now).

LPPGTSPRINGKIT-S for use on Ford GT Supercar (2005-2006).

Product Number Description Price Qty:  
LPPGTSPRINGKIT-S 5.4L Modular GT Supercar/Shelby Performance Valve Springs (w/ Steel Retainer) $549.99/ea
LPPGTSPRINGKIT-T 5.4L Modular GT Supercar/Shelby Performance Valve Springs (w/ Titanium Retainer) $899.99/ea

 
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