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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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$236.99
$256.00

396, 402, 427, 454

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

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$929.99
$977.95

396, 402, 427, 454, 496, 2-piece Rear Main Seal Style

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$73.99
$76.98

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

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

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

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$166.99
$174.92

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

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$438.99
$461.81

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

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$164.99
$172.92

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

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$72.99
$75.98

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

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$623.99
$655.95

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

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$1,905.99
$1,908.15

Chevy Small Block V8, Chevy Big Block V8, User Tunable

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$2,227.99
$2,230.10

Chevy Small Block V8, Chevy Big Block V8, User Tunable

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New Product
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Universal Fit, Frame & Block Mounts Motor Mount Type

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$76.99
$89.41

Chevy Small Block V8, Chevy Big Block V8, Zinc Plated

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$110.99
$116.49

Chevy Small Block V8, Chevy Big Block V8, Black

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$116.99
$122.49

Chevy Small Block V8, Chevy Big Block V8, Red, Natural

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Chevy Small Block V8, Chevy Big Block V8

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$119.99
$125.97

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

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$29.99
$35.40

Chevy Small Block V8, Chevy Big Block V8, Zinc Plated

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$111.99
$117.49

Chevy Small Block V8, Chevy Big Block V8, Red, Natural

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$99.99
$104.98

Chevy Small Block V8, Chevy Big Block V8, Red

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Chevy Small Block V8, Chevy Big Block V8, Steel, Red

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$42.99
$44.99

Chevy Small Block V8, Chevy Big Block V8, 1.50" Hose ID

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Chevy Small Block V8, Chevy Big Block V8

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$43.99
$45.99

Chevy Small Block V8, Chevy Big Block V8, 1.50" Hose ID

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$74.99
$87.99

Chevy Small Block V8, Chevy Big Block V8, Natural

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Chevy Small Block V8, Chevy Big Block V8, Steel, Red

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$119.99
$125.97

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

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