Type 90 degree V-8, OHV, 16 valves
Bore x Stroke (in.) 4.00 x 3.50
Displacement 5.8L (351 cu. in.) (5752 cc)
Compression Ratio 8.8:1
Horsepower (SAE Net) 240 HP @ 4200 RPM
Torque 340 lbs./ft. @ 3200 RPM
Fuel System Multi-Port Electric Fuel Injection
Throttle Body Single TB - 65 mm
Camshaft High Torque
Intake Valves 1 per cylinder, 1.84 in. Diameter
Exhaust Valves 1 per cylinder, 1.54 in. Diameter
Pistons Hypereutectic
Cylinder Block Cast Iron
Cylinder Heads GT-40 Design, Cast Iron
Intake Manifolds Upper - Tuned Length Tubular Aluminum
Lower - Cast Aluminum
Exhaust Manifolds Tubular stainless steel, Header type
Exhaust System Dual stainless steel; including 4 Catalytic Convertors, 2 Mufflers, 2 Tailpipes

I have owned mine for about a month. It has awsome performance and is very reliable. Great truck!!