This 427 ci with 625 hp and 565 lbs of torque. Includes balanced rotating assembly, timing cover, valve covers, retro fit oil pan, oil pump, chrome moly retainers and spring locators, dual coil.650" lift
valve springs, hardened push rods, premium sing le true roller timing set, GM roller rockers with upgraded full rocker trunion, GM EFI, AC Delco coil packs, spark plugs, spark plug wires, 90mm DBW
throttle body, #42 injectors and returnless fuel rail, harmonic balancer, all sensors required for enginet o run, wiring harness, and GM LS3 car intake manifold.
Specifications: HP: 625
Torque: 565
Engine Type: New GM LS3/L92 aluminum block Displacement: 427 ci
Crankshaft: BluePrint orScat forged Rods: forged I beam
Pistons: forged Mahle Rings: Mahle performance Camshaft Type: roller Camshaft Lift:.624 in x.624 ex Duration @.050-114° lobe separation: 239 in x 255 ex Cylinder Heads: BluePrint LS3 aluminum
Chamber Size: 68 cc
Valve Size: 2.165 in x 1.590 ex Compression Ratio: 11.0:1 Recommended Fuel: 91-93 octane Recommended Oil: 10W30, Non-Synthetic
Ignition Timing:E CM supplied with calibration