In 1999, Ford introduced the DOHC 4-valve 5.4 L in the Lincoln Navigator under the InTech moniker, making it the second engine to use this name. Ford later used versions of the DOHC 4-valve 5.4 L in the 2000 Ford Mustang SVT Cobra R, the Ford GT supercar, and the Ford Shelby GT500.

5.4 Liter 4V Windsor

Ford Longblock Engine EGL5402W4LN
Ford Longblock Engine EGL5402W4LN
Ford Engine w/ Gasket Kit and Oil Pump 02Navigator/Blackwood 2G-260-** Front Cover / Oil Pan 5.4 Liter 4VWindsor

Remanufactured in an ISO-9002 and QS-9000 Certified Facility in the USA. Refundable Core Deposit is added at checkout.
This part has been tested and arrives ready to install with warranty (see details). Inventory updated daily. EGL5402W4LN

Ford Longblock Engine EGL5404W4LN
Ford Engine w/ Gasket Kit and Oil Pump 99 Navigator 9G-260-**00-01 Navigator 0G-260-**02 Navigator/Blackwood 2G-260-**03 Navigator, 4x2/4x4 3G-262-**04 Navigator, 4x2/4x4 4G-262-** Front Cover / Oil Pan 5.4 Liter 4VWindsor

Remanufactured in an ISO-9002 and QS-9000 Certified Facility in the USA. Refundable Core Deposit is added at checkout.
This part has been tested and arrives ready to install with warranty (see details). Inventory updated daily. EGL5404W4LN
Ford Longblock Engine EGL5404W4LN
Ford Longblock Engine EGL5404W4LN
Ford Engine w/ Gasket Kit and Oil Pump 99 Navigator 9G-260-** 00-01 Navigator 0G-260-**02 Navigator/Blackwood 2G-260-**03 Navigator, 4x2/4x4 3G-262-**04 Navigator, 4x2/4x4 4G-262-** Front Cover / Oil Pan 5.4 Liter 4VWindsor

Remanufactured in an ISO-9002 and QS-9000 Certified Facility in the USA. Refundable Core Deposit is added at checkout.
This part has been tested and arrives ready to install with warranty (see details). Inventory updated daily. EGL5404W4LN
Ford Longblock Engine EGL5499W4LN
Ford Engine w/ Gasket Kit and Oil Pump 99 Navigator 9G-260-** Front Cover / Oil Pan 5.4 Liter 4VWindsor

Remanufactured in an ISO-9002 and QS-9000 Certified Facility in the USA. Refundable Core Deposit is added at checkout.
This part has been tested and arrives ready to install with warranty (see details). Inventory updated daily. EGL5499W4LN

from wikipedia(link):

Vehicles equipped with the 32-valve DOHC 5.4 L include the following:

1999–2004 Lincoln Navigator, 4-valve DOHC, 300 hp (224 kW) and 355 lb·ft (481 N·m)
2000 Ford Mustang SVT Cobra R, 4-valve DOHC, 385 hp (287 kW) and 385 lb·ft (522 N·m)
2002–2005 Ford Falcon XR8, 4-valve DOHC, 349 hp (260 kW) and 369 lb·ft (500 N·m)
2003 Ford Falcon FPV GT, 4-valve DOHC, 389 hp (290 kW) and 384 lb·ft (521 N·m)
2005–2006 Ford GT, 4-valve DOHC, Aluminum block, Supercharged, 550 hp (410 kW) and 500 lb·ft (678 N·m)
2007–2009 Ford Shelby GT500, 4-valve DOHC, Supercharged, 500 hp (373 kW) and 480 lb·ft (651 N·m) SAE J1349 certified
2007 Ford Falcon FPV GT Cobra, 4-valve DOHC, 405 hp (302 kW) and 398 lb·ft (540 N·m)
2008 Ford Falcon FPV GT, 4-valve DOHC, 422 hp (315 kW) and 406.5 lb·ft (551 N·m)
2010 Ford Shelby GT500, 4-valve DOHC, Supercharged, 540 hp (403 kW) and 510 lb·ft (691 N·m)
2011-2012 Ford Shelby GT500, 4-valve DOHC, Aluminum block, Supercharged, 550 hp (410 kW) and 510 lb·ft (691 N·m)