L8T 401hp 6.6L Longblock Crate Engine

Chevrolet Performance 19433750 Crate Engine

The L8T is meant for grunt work, thanks to an impressive 464 lb-ft. of peak torque that arrives 200 rpm sooner (and is 22 percent more) than GM’s previous 6.0L V8 HD gasoline engines. Built with a forged steel crankshaft and features such as oil spray cooling for the pistons and cast iron, long-skirt cylinder block.

• Engine    Wet Sump L8T 6.6L
• Compression Ratio    10.8:1
• Displacement 6564 cc / 400 cu in
• Block    L8T Cast Iron 6-Bolt 4.060" Bore
• Crankshaft    Forged steel, 3.860" Stroke
• Heads    12703610 Cast Aluminum, 59.02cc
• Valves    2.130" Hollow Intake/1.590" Inconel Exhaust
• Camshaft Lift    Hydraulic Roller 0.500"/0.492"
• Dur. @ 0.050"    193°/199°

Engine comes as shown in the pictures (dipstick, coil packs, oil pan).  It does not include: intake manifold, throttle body,  DI fuel pump or fuel injectors.