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6.2lt - 480hp

Specs

The LS series of engines from GM Powertrain have broken new ground for efficiency and performance from a pushrod platform engine. The LS3 continues the engineering breakthroughs with revised cylinder heads featuring rectangle ports borrowed from the vaunted LS7. The heads feature 63 cc combustion chambers, 2.16-inch intake valves, and 1.59-inch exhaust valves. The camshaft features an aggressive .551-inches of lift on the intake side with less overlap (than the LS2) for even greater airflow and power. Rocker arms with a 1.7:1 ratio sit on top of the heads.

In the bottom end, the aluminum 6-bolts/main block features 4.06-inch bores and 3.62-inch stroke. A nodular iron crankshaft, powdered metal rods, and aluminum pistons (10.7:1 compression ratio) round out a rev-happy short block. Red line for the LS3 comes at 6600 rpm, and you will get there very quickly. With a high-tech GM foundation, aluminum block, and high flowing rectangular-port heads, the LS3 is the new standard in the small block world. The LS3 helps power the new Corvette to a top speed of 190 mph. What will it power you to?

Specifications:

  • Power: 480 HP @ 5900 RPM, 424 ft. lbs. of torque @ 4600 RPM.
  • Displacement: 376 CID, 6.2L.
  • Bore x Stroke: 4.060” x 3.620”.
  • Compression Ratio: 10.7:1.
  • Recommended Fuel: 98 Octane.
  • Block: Cast Aluminum with 6 bolt cross bolted main caps.
  • Crankshaft: Nodular Iron.
  • Connecting Rods: Powdered Metal Steel.
  • Pistons: Hypereutectic Aluminum.
  • Camshaft: Steel Hydraulic Roller Tappet.
  • Cam Lift: .551” Intake / .522” exhaust.
  • Cam Duration @ .050”: 204 deg. Intake / 211 deg. Exhaust.
  • Lobe Separation: N/A.
  • Cylinder Heads: Aluminum L92/LS3 style ports.
  • Combustion Chamber: 68cc.
  • Valves: 2.165” Intake/ 1.590” Exhaust.
  • Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio.
  • Balance: Internal.
  • Reluctor: 58X.
  • Maximum GM Recommended RPM: 6600.

Engine Includes:
  • Fully GM assembled long block.
  • Ignition Coils, Plug Wires and Spark Plugs.
  • Oil pump, pick-up and Camaro oil pan.
  • Exhaust Manifolds.
  • Intake, Injectors and Throttle Body.
  • 14” Auto Trans Flexplate.
  • Harmonic Balancer.
  • Front timing cover.
  • Aluminum Water Pump.
  • Oil Filter.
  • Passenger Side RH Oil Dipstick and Tube.

Price

$9,899- inc gst
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