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Hear it roar
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Parts intended for competition use only*
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Proposition 65 Warning*
Chevrolet Performance Parts L8P Crate Engine

 Big Power, Big Torque

 Big Power, Big Torque

Hear it roar
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Parts intended for competition use only*
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Proposition 65 Warning*
A Yellow Horsepower Icon

Up to

523 hp

Horsepower*
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Up to

543 lb.-ft.

Torque*
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Up to

6,000

Max Rec RPM
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Up to

400 cu. in. (6.6L)

Displacement

L8P Engine

  • L8P
    Chevrolet Performance Parts L8P Crate Engine

    View L8P

    Heavy-duty power optimized for performance with a racing upgrades.
    L8P

    View L8P

    Tech Specs
    View in 2025 Catalog

    Performance

    Horsepower:

    523 hp @ 5,800 rpm3

    Torque:

    543 lb.-ft. @ 4,600 rpm

    Max Rec RPM:

    6,000

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged powder-metal

    Pistons:

    Hypereutectic aluminum

    Camshaft Type:

    Billet steel hydraulic roller

    Rocker Arms:

    Investment-cast, roller trunnion

    Intake manifold:

    Composite

    Throttle body:

    87mm diameter (single-bore)

    Engine Basics

    Part Number:

    19435523

    Engine Type:

    Gen V Small Block V-8 direct injection spark ignition

    Displacement:

    400 cu. in. (6.6L)

    Block:

    Cast iron with 6-bolt nodular bearing caps

    Balanced:

    Internal

    Measurements

    Bore x Stroke:

    4.065 in. x 3.860 in. (103.25 mm x 98 mm)

    Valve Lift (in):

    .549 intake / .549 exhaust

    Camshaft Duration (@ 0.050 in):

    218° intake / 231° exhaust

    Compression Ratio:

    10.8:1

    Rocker Arm Ratio:

    1.8:1

    Cylinder Head and Valves

    Cylinder Heads:

    Aluminum rectangular port D/I with 59.02cc chambers

    Valve Size (in.):

    2.130 hollow intake / 1.590 sodium-filled exhaust

    Fuel and Ignition

    Fuel delivery:

    High-pressure direct injection

    Ignition system:

    Coil-on-plug

    Recommended Fuel:

    Premium pump

    Reluctor Wheel:

    58x

    Show Less

    Tech Specs

    Performance

    Horsepower:

    523 hp @ 5,800 rpm3

    Torque:

    543 lb.-ft. @ 4,600 rpm3

    Max Rec RPM:

    6,000

    Engine Basics

    Part Number:

    19435523

    Engine Type:

    Gen V Small Block V-8 direct injection spark ignition

    Displacement:

    400 cu. in. (6.6L)

    Block:

    Cast iron with 6-bolt nodular main bearing caps

    Balanced:

    Internal

    Measurements

    Bore x Stroke:

    4.065 in. x 3.860 in. (103.25 mm x 98 mm)

    Valve Lift (in):

    .549 intake / .549 exhaust

    Camshaft Duration (@ 0.050 in):

    218° intake / 231° exhaust

    Compression Ratio:

    10.8:1

    Rocker Arm Ratio:

    1.8:1

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged powder-metal

    Pistons:

    Hypereutectic aluminum

    Camshaft Type:

    Billet steel hydraulic roller

    Rocker Arms:

    Investment-cast, roller trunnion

    Intake manifold:

    Composite

    Throttle body:

    87mm diameter (single-bore)

    Cylinder Head and Valves

    Cylinder Heads:

    Aluminum rectangular port D/I with 59.02cc chambers

    Valve Size (in.):

    2.130 hollow intake / 1.590 sodium-filled exhaust

    Fuel and Ignition

    Fuel delivery:

    High-pressure direct injection

    Ignition system:

    Coil-on-plug

    Recommended Fuel:

    Premium pump

    Reluctor Wheel:

    58x
    View in 2025 Catalog
    Locate a Dealer

  • L8T
    Chevrolet Performance Parts L8TCrate Engine

    View L8T

    Serious trucking power — our largest-displacement direct-injection model.
    L8T

    View L8T

    Tech Specs
    View in 2025 Catalog

    Performance

    Horsepower:

    401 hp @ 5,200 rpm3

    Torque:

    464 lb.-ft. @ 4,000 rpm3

    Max Rec RPM:

    5,600

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged powder-metal

    Pistons:

    Hypereutectic aluminum

    Camshaft Type:

    Billet steel hydraulic roller

    Rocker Arms:

    Investment-cast, roller trunnion

    Intake manifold:

    Composite

    Throttle body:

    87mm diameter (single-bore)

    Engine Basics

    Part Number:

    19435733 (2024+)

    Engine Type:

    Gen V Small Block V8 direct injection spark ignition

    Displacement:

    400 cu. in. (6.6L)

    Block:

    Cast iron with 6-bolt nodular bearing caps

    Available Build Options:

    Also available in Long Block

    Balanced:

    Internal

    Measurements

    Bore x Stroke:

    4.062 in. x 3.860 in.

    Valve Lift (in):

    .500 intake / .492 exhaust

    Camshaft Duration (@ 0.050 in):

    193° intake / 199° exhaust

    Compression Ratio:

    10.8:1

    Rocker Arm Ratio:

    1.8:1

    Cylinder Head and Valves

    Cylinder Heads:

    Aluminum rectangular port D/I with 59.02cc chambers

    Valve Size (in.):

    2.130 intake / 1.590 exhaust

    Fuel and Ignition

    Fuel delivery:

    Fuel delivery: High-pressure direct injection (2.175 psi / 150 bar)

    Recommended Fuel:

    87 octane

    Ignition system:

    Coil-on-plug

    Reluctor Wheel:

    58x

    Show Less

    Tech Specs

    Performance

    Horsepower:

    401 hp @ 5,200 rpm3

    Torque:

    464 lb.-ft. @ 4,000 rpm3

    Max Rec RPM:

    5,600

    Engine Basics

    Part Number:

    19435733 (2024+)

    Engine Type:

    Gen V Small Block V8 direct injection spark ignition

    Displacement:

    400 cu. in. (6.6L)

    Block:

    Cast iron with 6-bolt nodular bearing caps

    Available Build Options:

    Also available in Long Block

    Balanced:

    Internal

    Measurements

    Bore x Stroke:

    4.062 in. x 3.860 in.

    Valve Lift (in):

    .500 intake / .492 exhaust

    Camshaft Duration (@ 0.050 in):

    193° intake / 199° exhaust

    Compression Ratio:

    10.8:1

    Rocker Arm Ratio:

    1.8:1

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged powder-metal

    Pistons:

    Hypereutectic aluminum

    Camshaft Type:

    Billet steel hydraulic roller

    Rocker Arms:

    Investment-cast, roller trunnion

    Intake manifold:

    Composite

    Throttle body:

    87mm diameter (single-bore)

    Cylinder Head and Valves

    Cylinder Heads:

    Aluminum rectangular port D/I with 59.02cc chambers

    Valve Size (in.):

    2.130 hollow intake / 1.590 sodium-filled exhaust

    Fuel and Ignition

    Fuel delivery:

    Fuel delivery: High-pressure direct injection (2.175 psi / 150 bar)

    Recommended Fuel:

    87 octane

    Ignition system:

    Coil-on-plug

    Reluctor Wheel:

    58x
    View in 2025 Catalog
    Locate a Dealer

Vehicle 2: 1967, Chevrolet Camaro

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Talbert Goldman
Mike Goldman Customs

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