BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Retrofit Dressed Long Block Crate Engines

BluePrint Engines Pro Series Chevy LS 427 c.i.d. EFI retrofit dressed long block crate engines put down a whopping 625 hp and 565 lbs.-ft. of torque! They feature a 30-month/50,000-mile warranty and are the perfect choice for drivable and reliable high-end performance. Additionally, These assemblies are manufactured under strict tolerances and provide outstanding, consistent results. BluePrint Pro Series long block crate engines are also dyno-tested and include the dyno sheets. Features include: * New GM LS engine block * 4340 forged 4.125 in. stroke crankshaft * 4340 forged 6.125 in. long connecting rods * Forged pistons * 11.0:1 compression * Hydraulic roller camshaft, .624 in. lift intake, .624 in. lift exhaust, 239/255 intake/exhaust duration @ 0.050 in. lift with 114 degree lobe separation * Aluminum GM LS cylinder heads * Premium single true roller timing set * GM LS intake manifold, fuel injectors, fuel rails, drive by wire throttle body, and matching throttle pedal * GM factory roller rockers with upgraded full roller trunion * Ignition coil packs * Spark plug wires * Spark plugs * Harmonic balancer * ECM with custom tune installed Show Less