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L8T

L8T

SKU: 19433748
In addition to the complete L8T crate engine, Chevrolet Performance offers the L8T Long Block — the high-output, direct-injected foundation of the Gen V Small Block-based 6.6L engine offered in the Silverado 2500HD and 3500HD models.
PART NO. 19433748
 

  • L8T Tech Specs

    Part Number: 19433748

    • Engine Type: Gen V Small Block V-8 direct injection spark ignition
    • Displacement (cu. in.): 400 (6.6L)
    • Bore x Stroke (in / mm): 4.060 x 3.860 (103.25 mm x 98 mm)
    • Block (P/N 19420904): Cast iron with 6-bolt nodular main bearing caps
    • Crankshaft (P/N 12708884): Forged steel
    • Connecting Rods (P/N 12675746): Forged powder-metal
    • Pistons (P/N 12699527-R, 12699529-L): Hypereutectic aluminum
    • Camshaft Type (P/N 12672469): Billet steel hydraulic roller
    • Valve lift (in): 0.500 intake / 0.492 exhaust
    • Camshaft Duration (@0.050 in): 193° intake / 199° exhaust
    • Cylinder Heads (P/N 12703610): Aluminum rectangular port D/I with 59.02cc chambers
    • Valve Size (in): 2.130 hollow intake / 1.590 inconel exhaust
    • Compression Ratio: 10.8:1 (nominal)
    • Rocker Arms (P/N 12619829): Investment cast roller trunnion
    • Rocker Arm Ratio: 1.8:1
    • Intake manifold (P/N 12639087): Composite
    • Throttle body (P/N 12730580): 87mm diameter (single-bore)
    • Fuel delivery: High-pressure direct injection (2,175 psi / 150 bar)
    • Recommended fuel: 87 octane
    • Ignition system: Coil-on-plug
    • Maximum Recommended RPM: 5600 rpm
    • Reluctor wheel: 58X
    • Balanced: Internal

  • Power Numbers

    • 401 HP @ 5,200 RPM
    • 464 LB-FT @ 4,000 RPM

     

C$11,261.50Price
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