GM Performance LS3 525 HP Crate Engines (PART #GMP-19432557)

GM Performance LS3 525 hp long block crate engines blend the racing-derived ASA camshaft with the LS3 6.2L production engine to create a serious contender a delivering 525 horsepower at 6,300 rpm and 489 lb.-ft. of torque at 4,400 rpm. The ASA camshaft is a proven, power-building component that has been successful in the high-rpm world of circle track racing. Front accessories, exhaust manifolds, and flywheel or flexplate must be obtained separate, along with the engine controller kit.

Specifications:

  • Power: 525 hp at 6300 rpm, 489 ft. lbs. of torque at 4400 RPM
  • Displacement: 376 c.i.d., 6.2L
  • Bore and stroke: 4.060 in. x 3.620 in.
  • Compression ratio: 10.7:1
  • Recommended fuel: 92 octane
  • Cast aluminum block with 6-bolt cross-bolted main caps
  • Nodular iron crankshaft
  • Powdered metal steel connecting rods
  • Hypereutectic aluminum pistons
  • Hydraulic roller tappet camshaft
  • Cam lift: 0.525 in. intake / 0.525 in. exhaust
  • Cam duration at 0.050 in.: 226 degree intake / 236 degree exhaust
  • Lobe separation angle: 110 degree
  • Aluminum L92 cylinder heads
  • Combustion chamber volume: 68cc
  • Valves: 2.165 in. intake/ 1.590 in. exhaust
  • Cast roller trunnion 1.7:1 ratio rocker arms
  • Internal balance
  • Includes a 58-tooth reluctor wheel
  • Maximum recommended rpm: 6,600

Engine Includes:

  • Oil pump, pick-up, and oil pan
  • Harmonic balancer
  • Front timing cover
  • Oil filter
  • Passenger side oil dipstick and tube

SPECIFICATIONS

Brand GM Performance
Manufacturer's Part Number 19432557
Part Type Crate Engines
Product Line GM Performance LS3 525 HP 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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