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The Mark IV big block was the culmination of Chevrolet's performance engine development. Introduced in 1966 as a production engine option for full-sized Chevrolets, the highly versatile 427 cubic inch big block terrorized local drag strips and gave high performance engines a new standard. The success was short lived due to fuel shortages and emission standards. But fear not! The horsepower happy big block lives on and Speedway Motors is your source for performance parts and accessories for your 427 Chevy engine.

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$478.95
$598.69

396, 402, 427, 454, Hydraulic Flat Tappet Camshaft Type

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On Sale

Camshaft Type: Hydraulic Flat Tappet

Intake Duration: 279

Exhaust Duration: 296

RPM Range: 1800 to 5600

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396, 402, 427, 454, 496, 2300-6200 RPM Range

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On Sale
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Camshaft Type: Hydraulic Flat Tappet

RPM Range: 2300-6200

Intake Duration: 295

Exhaust Duration: 312

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Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

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396, 402, 427, 454

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396, 402, 427, 454, 496, 502, 572, V-Belt Belt Type

Belt Type: V-Belt

Groove Count: 2-3

Material Type: Steel

Finish: Painted

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$68.99
$74.99

396, 402, 427, 454, 496, Crossmember Motor Mount Type

On Sale

Motor Mount Type: Crossmember

Application Compatibility: Engine Swap

Attachment Style: Bolt-on

Mount Material: Steel

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$247.99
$251.89

366, 396, 402, 427, 454, 496, 502, 572

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$159.99
$169.99

396, 402, 427, 454, Electric Water Pump Type, Polished

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Water Pump Type: Electric

Max Flow Rate: 35 GPM

Hose Adapters Included: Yes

Housing Material: Billet Aluminum

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$426.99
$430.89

366, 396, 402, 427, 454, 496, 502, 572

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$144.99
$163.92

396, 402, 427, 454, -6 AN, Hoses Included

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AN Size: -6 AN

Hoses Included: Yes

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$144.99
$163.92

396, 402, 427, 454, -6 AN, Hoses Included

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On Sale
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AN Size: -6 AN

Hoses Included: Yes

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Universal Fit, Frame & Block Mounts Motor Mount Type

On Sale
Video Available

Motor Mount Type: Frame & Block Mounts

Application Compatibility: Stock/OEM

Attachment Style: Bolt-on

Mount Material: Steel

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Universal Fit, Steel

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Material Type: Steel

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Chevy Small Block V8, Chevy Big Block V8, Coil Included

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Cap Type: HEI / Male

Cap Terminal Style: HEI / Male

Coil Included: Yes

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Chevy Small Block V8, Chevy Big Block V8

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Thread Pitch: 13/16"-16

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Chevy Small Block V8, Chevy Big Block V8, Coil Included

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Cap Type: HEI / Male

Coil Included: Yes

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Chevy Small Block V8, Chevy Big Block V8, Coil Included

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Cap Type: HEI / Male

Coil Included: Yes

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Chevy Small Block V8, Chevy Big Block V8

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Thread Pitch: 13/16"-16

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Chevy Small Block V8, Chevy Big Block V8

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Chevy Small Block V8, Chevy Big Block V8, Coil Included

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Coil Included: Yes

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396, 402, 427, 454, 496, 502, 327, 350, 383, 400, Red

On Sale
Video Available

External Ignition Box Required: No

Cap Type: HEI / Male

Cap Terminal Style: HEI / Male

Advance Type: Mechanical and Vacuum

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396, 402, 427, 454, 496, 502, 572, 2.28" Overall Height

Video Available

Overall Height: 2.28"

Assembled Height: 3.50"

Centerline of Holes: 3.23"

Material Type: Aluminum

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396, 402, 427, 454, 496, 502, 572

On Sale
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396, 402, 427, 454, 496, 502, 572, 3.000" Base Diameter

Base Diameter: 3.000"

Centerline of Holes: 2.357"

Material Type: Aluminum

Thread Pitch: 13/16"-16

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327, 350, 383, 400, 396, 402, 427, 454, 1.57" Hose ID

Assembled Height: 2.25"

Base Height: .50"

Hose ID: 1.57"

Tube Length: 2.45"

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396, 402, 427, 454, 496, 502, 572, 5.43" Overall Length

Overall Length: 5.43"

Overall Width: 6.06"

Overall Height: 3.25"

Overall Thickness: .14"

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396, 402, 427, 454, 496, 502, Raw, Steel, Natural

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Header Tube Type: Fenderwell

Finish: Raw

Flange Style: Standard

Primary Tube Diameter: 2"

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396, 402, 427, 454, 80 GPH / 303 LPH Free Flow Rate

Free Flow Rate: 80 GPH / 303 LPH

Maximum Pressure: 6 psi

Fuel Pump Inlet Size: 1/4 inch NPT female

Fuel Pump Outlet Size: 1/4 inch NPT female

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265, 283, 327, 350, 383, 400, 396, 402, 427, 454, Zinc

Video Available

Assembled Height: 2.68"

Base Height: .36"

Hose ID: 1.50"

Angle: 50 degree

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Universal Fit, Roadster Header Tube Type, Raw, Steel

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Header Tube Type: Roadster

Finish: Raw

Flange Style: Standard

Primary Tube Diameter: 2"

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