By The Numbers:

Gen V Small-Block LT1
Engine type: 90-degree V-8 with overhead valves; continuous VVT
Displacement: 6.2 liters (376 ci)
Bore x Stroke: 4.06 x 3.62 inches
Cylinder block: cast aluminum with nodular main caps
Main bearing fasteners: six, including two cross-bolts per cap
Crankshaft: forged steel
Connecting rods: powder metal, 6.125 inches in length
Pistons: eutectic cast-aluminum alloy
Compression ratio: 11.5:1
Cylinder heads: 319-T7 cast aluminum with 59.02cc combustion chambers
Valve angles: 12.5 degrees intake, 12 degrees exhaust
Intake valves: 2.13 inches, hollow
Exhaust valves: 1.59 inches, hollow sodium filled
Camshaft: hydraulic type with tri-lobe for fuel pump drive
Camshaft lift: .551-inch intake /.524-inch exhaust
Camshaft duration: 200 degrees intake / 207 degrees exhaust (at 0.050 inch)
Lobe separation angle: 116.5 degrees
Fuel delivery: direct injection
Intake manifold: “runners in a box” design; composite construction
Throttle: 87mm electronically controlled throttle body
Ignition: 58X with individual coil-on-plug and iridium-tip spark plugs
Horsepower: 450 at 6,000 rpm
Torque: 450 lb-ft at 4,000 rpm
Max engine speed: 6,600 rpm (fuel cutoff)