LT4 | DEGROOTE HILL CHEVROLET BUICK GMC - Chevrolet Performance Crate Engines
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LT4

650 HP @6400 RPM
650 LB-FT TORQUE

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Description

LT4 Tech Specs

  • Part Number: 19368622
  • Engine Type: Direct Injection spark-ignition Gen-V Small-Block V-8
  • Displacement (cu. in.): 376 (6.2L)
  • Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm)
  • Block: Cast aluminum with 6-bolt nodular iron main bearing caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged powdered-metal steel
  • Pistons: Forged aluminum
  • Camshaft Type: Hydraulic roller
  • Valve Lift (in.): .492 intake / .551 exhaust
  • Camshaft Duration (@0.050 in.): 189° intake / 223° exhaust
  • Cylinder Heads: A356-T6 rotocast aluminum; as cast with 65.5cc chambers
  • Valve Size (in): 2.130 intake / 1.590 exhaust
  • Compression Ratio: 10.0:1
  • Required Fuel: Premium pump
  • Maximum Recommended rpm: 6600