GM Performance LS3 430 HP Long Block Crate Engines (PART #GMP-19434644)

GM Performance LS3 430 hp long block crate engines use an impressive 10.7:1 compression ratio to put out 430 hp at 5,900 rpm and 425 lbs.-ft. of torque at 4,600 rpm. They feature a cast aluminum engine block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .551 in. intake and .522 in. exhaust valve lift with 204 degrees intake and 211 degrees exhaust valve duration at .050 in. cam lift. Front-end accessories, exhaust manifolds, and flywheel or flexplate must be obtained separately, along with the engine controller kit.

Long block crate engines may also include:

  • Ignition coil packs
  • Spark plug wires
  • Spark plugs
  • Intake manifold
  • Fuel injectors
  • Throttle body
  • Front timing cover
  • Aluminum water pump
  • Harmonic balancer
  • Passenger side right hand dipstick and tube

SPECIFICATIONS
Brand GM Performance
Manufacturer's Part Number 19434644
Part Type Crate Engines
Product Line GM Performance LS3 430 HP Long Block Crate Engines
Crate Engine Family Chevy LS
Actual Engine Displacement 6.2L/376
Crate Engine Cylinder Head Material Aluminum
Engine Block Material Aluminum
Advertised Compression Ratio 10.7:1
Assembled Yes
Engine Balance Internal
Cam Style Hydraulic roller, OE roller
Rear Main Seal Style 1-piece
Intake Manifold Included No
Cylinder Heads Included Yes
Carburetor Included No
Throttle Body Included No
Distributor Included No
Oil Pan Included Yes
Valve Covers Included Yes
Timing Cover Included Yes
Water Pump Included No
Harmonic Balancer Included Yes
Flexplate Included No
Flywheel Included No
Air Cleaner Included No
Spark Plugs Included No
Spark Plug Wires Included No
Computer Included No
Wiring Harness Included No
Supercharger Included No
Remanufactured No
Quantity Sold individually.

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