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Parts intended for competition use only*
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Big-Displacement Performance

Big-Displacement Performance

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Parts intended for competition use only*
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Proposition 65 Warning*
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Up to

469 hp

Horsepower*
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Up to

519 lb.-ft.

Torque*
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Up to

5,500

Max Rec RPM
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Up to

454 cu. in. (7.4L)

Displacement

454 Engines

  • 454 HO

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    Chevrolet Performance Parts 454 HO Big-Block Crate Engine

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    An evolved cylinder block with outstanding torque.
    454 HO

    Tech Specs
    View in 2025 Catalog

    Performance

    Horsepower:

    438 hp @ 5,300 rpm

    Torque:

    500 lb.-ft. @ 3,500 rpm

    Max Rec RPM:

    5,500

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged steel

    Pistons:

    Forged aluminum

    Intake Manifold:

    Dual plane

    Camshaft Type:

    Hydraulic roller

    Rocker Arms:

    Stamped steel

    Water Pump:

    Cast-iron, long-style

    Engine Basics

    Part Number:

    19433409

    Engine Type:

    Chevy Big-Block V8

    Displacement:

    454 cu. in. (7.4L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.250 in. x 4.000 in.

    Valve Lift (in):

    .510 intake / .540 exhaust

    Camshaft Duration (@ .050 in):

    212° intake / 230° exhaust

    Compression Ratio:

    8.75:1

    Rocker Arm Ratio:

    1.7:1

    Cylinder Head and Valves

    Cylinder Heads:

    Iron rectangular port; 118cc chambers

    Valve Size (in.):

    2.190 intake / 1.880 exhaust

    Fuel and Ignition

    Ignition Timing:

    36° Total @ 4,000 rpm

    Flexplate:

    14”

    Recommended Fuel:

    Premium pump

    Show Less

    Locate a Dealer

    Tech Specs

    Performance

    Horsepower:

    438 hp @ 5,300 rpm

    Torque:

    500 lb.-ft. @ 3,500 rpm

    Max Rec RPM:

    5,500

    Engine Basics

    Part Number:

    19433409

    Engine Type:

    Chevy Big-Block V8

    Displacement:

    454 cu. in. (7.4L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.250 in. x 4.000 in.

    Valve Lift (in):

    .510 intake / .540 exhaust

    Camshaft Duration (@.050 in):

    212° intake / 230° exhaust

    Compression Ratio:

    8.75:1

    Rocker Arm Ratio:

    1.7:1

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged steel

    Pistons:

    Forged aluminum

    Intake Manifold:

    Dual plane

    Camshaft Type:

    Hydraulic roller

    Rocker Arms:

    Stamped steel

    Water Pump:

    Cast-iron, long-style

    Cylinder Heads and Valves

    Cylinder Heads:

    Iron rectangular port; 118cc chambers

    Valve Size (in.):

    2.190 intake / 1.880 exhaust

    Fuel and Ignition

    Ignition Timing:

    36° Total @ 4,000 rpm

    Flexplate:

    14”

    Recommended Fuel:

    Premium pump

    View in 2025 Catalog

  • ZZ454/440

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    Chevrolet Performance Parts 454/440 Crate Engine

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    Extra airflow, horsepower and torque — this 454 doesn't settle for second.
    ZZ454/440

    Tech Specs
    View in 2025 Catalog

    Performance

    Horsepower:

    469 hp @ 5,500 rpm

    Torque:

    519 lb.-ft. @ 3,700 rpm

    Max Rec RPM:

    5,500

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged steel

    Pistons:

    Forged aluminum

    Intake Manifold:

    Dual plane

    Camshaft Type:

    Hydraulic roller

    Rocker Arms:

    Stamped steel

    Water Pump:

    Cast-iron, long-style

    Engine Basics

    Part Number:

    19433410

    Engine Type:

    Chevy Big-Block V8

    Displacement:

    454 cu. in. (7.4L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.250 in. x 4.000 in.

    Valve Lift (in):

    .510 intake / .540 exhaust

    Camshaft Duration (@ 0.050 in):

    211° intake / 230° exhaust

    Compression Ratio:

    9.6:1

    Rocker Arm Ratio:

    1.7:1

    Cylinder Head and Valves

    Cylinder Heads:

    Aluminum oval port; 110cc chambers

    Valve Size (in.):

    2.190 intake / 1.880 exhaust

    Fuel and Ignition

    Ignition Timing:

    36° Total @ 4,000 rpm

    Flexplate:

    14”

    Recommended Fuel:

    Premium pump

    Show Less

    Locate a Dealer

    Tech Specs

    Performance

    Horsepower:

    469 hp @ 5,500 rpm

    Torque:

    519 lb.-ft. @ 3,700 rpm

    Max Rec RPM:

    5,500

    Engine Basics

    Part Number:

    19433410

    Engine Type:

    Chevy Big-Block V8

    Displacement:

    454 cu. in. (7.4L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.250 in. x 4.000 in.

    Valve Lift (in):

    .510 intake / .540 exhaust

    Camshaft Duration (@.050 in):

    211° intake / 230° exhaust

    Compression Ratio:

    9.6:1

    Rocker Arm Ratio:

    1.7:1

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged steel

    Pistons:

    Forged aluminum

    Intake Manifold:

    Dual plane

    Camshaft Type:

    Hydraulic roller

    Rocker Arms:

    Stamped steel

    Water Pump:

    Cast-iron, long-style

    Cylinder Heads and Valves

    Cylinder Heads:

    Aluminum oval port; 110cc chambers

    Valve Size (in.):

    2.190 intake / 1.880 exhaust

    Fuel and Ignition

    Ignition Timing:

    36° Total @ 4,000 rpm

    Flexplate:

    14”

    Recommended Fuel:

    Premium pump

    View in 2025 Catalog
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Prestigious Automotive Roots

A look back at the Big-Block
Engine Family History.

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Best Engines of the 2024 Indianapolis Bowtie Nationals
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Engine & Transmission Packages

Factory-matched Connect & Cruise* engine-and-transmission
combinations that deliver.
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A Chevrolet Performance Parts Connect and Cruise Powertrain System
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 “It simplifies the whole project. If you have any issues, you plug into it, and you work on it and go from there. It makes it so simple.”

Talbert Goldman
Mike Goldman Customs

Assemble the Dream Powertrain System

Compatible transmissions and components for 454 models.

Build confidently with Chevrolet Performance installation guides.

454 HO

ZZ454/440

Find dealers ready to help you with Chevrolet Performance Parts.
Locate a Dealer
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