(from page 3 of the 2008 Collection)
The 2008 Mustang GT premium, H-code, 4.6 liter, V8 engine modified by Shelby with the Ford Racing Power Upgrade Package which includes a 90mm cold air kit, performance mufflers, and Pro-Cal performance calibration. These upgrades together with the performance x-pipe exhaust boosts the power up to 319hp and 330ft-lbs of torque. This engine configuration is used on the 2008 Mustang Shelby GT, the 2008 Mustang Bullitt and the 2008 Mustang GT California Special.
(from page 14 of the 2008 Collection)
The Mustang Shelby, H-code, 319hp, 4.6 liter, 3 valve, V8 engine with a Ford Racing Power Upgrade.
(from page 24 of the 2008 Collection)
The 2008, Mustang, 319hp, Ford Racing Power upgraded Mustang GT 4.6 liter V8 engine