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$1,069.50
$1,593.95

389, 400, 421, 428, 455, Assembled Cylinder Head Style

Ships Free
On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 87cc

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389, 400, 421, 428, 455, Carbureted Fuel System Type

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Fuel System Type: Carbureted

Intake Manifold Type: Single Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

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$250.95
$268.95

326, 350, 389, 400, 428, 455, One-Piece Style, Aluminum

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On Sale

Bolts/Studs Included: No

Style: One-Piece

Logo: Plain

Material Type: Aluminum

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$1,099.50
$1,545.95

389, 400, 421, 428, 455, Assembled Cylinder Head Style

Ships Free
On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 72cc

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326, 347, 350, 370, 389, 400, 421, 428, 455, Aluminum

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Video Available

Intake Manifold Type: Dual Plane

Material Type: Aluminum

Finish: Satin

Gaskets Included: No

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$1,199.50
$1,665.95

455, Assembled Cylinder Head Style, Aluminum, Natural

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 72cc

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$849.50
$1,258.95

389, 400, 421, 428, 455, Bare Cylinder Head Style

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On Sale

Cylinder Head Style: Bare

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 87cc

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$392.95
$447.95

400, 421, 428, 455, EFI Fuel System Type, Aluminum

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On Sale

Fuel System Type: EFI

Injection Style: Multi-port

Carburetor Flange Type: 4-Barrel Square Bore

RPM Range: 1,500-6,500

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$560.95
$580.95

326, 350, 389, 400, 455, Carbureted Fuel System Type

Ships Free
On Sale

Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: Dual: Square and Spread Bore

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326, 350, 389, 400, 421, 428, 455, Aluminum, Black

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Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: Dual: Square and Spread Bore

Quick View
$799.50
$870.50

389, 400, 421, 428, 455, Bare Cylinder Head Style

Ships Free
On Sale

Cylinder Head Style: Bare

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 72cc

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$123.95
$125.95

301, 326, 347, 350, 370, 389, 400, 421, 428, 455

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On Sale

Fuel Type: Gasoline

Free Flow Rate: 110 GPH / 416 LPH

Maximum Pressure: 8 psi

Fuel Pump Inlet Size: 1/4 inch NPT female

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$419.99
$434.99

265, 287, 301, 326, 350, 389, 400, 421, 428, 455, Gold

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On Sale

Rocker Arm Style: Full Roller

Rocker Arm Ratio: 1.65

Stud Size: 0.437"

Rocker Arm Nut Style: Polylock

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347, 350, 370, 389, 400, 421, 428, 455, 166 Tooth Count

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Outside Diameter: 14.25"

Tooth Count: 166

SFI Rating: 1.1

Weight: 17 lbs.

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$415.99
$434.99

265, 287, 301, 326, 350, 389, 400, 421, 428, 455, Gold

Ships Free
On Sale

Rocker Arm Style: Full Roller

Rocker Arm Ratio: 1.5

Stud Size: 0.437"

Rocker Arm Nut Style: Polylock

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$334.95
$358.95

326, 350, 389, 400, 455, Carbureted Fuel System Type

Ships Free
On Sale

Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

Quick View

265, 287, 301, 326, 350, 389, 400, 421, 428, 455, Gold

Rocker Arm Style: Full Roller

Rocker Arm Ratio: 1.5

Stud Size: 0.437"

Rocker Arm Nut Style: Polylock

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