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$955.95
$1,209.95

390, 406, 427, 428, One Carburetor Quantity

Ships Free
On Sale

Intake Manifold Type: Dual Plane | High Rise

Carburetor Quantity: One

Carburetor Barrels: 4-Barrel

Carburetor Flange Type: 4-Barrel Square Bore

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$1,099.50
$1,545.95

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

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 72cc

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$334.95
$358.95

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

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On Sale

Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

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$1,099.50
$1,265.95

343, 360, 390, 401, Assembled Cylinder Head Style

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 54cc

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$793.95
$1,017.95

326, 350, 389, 400, 421, 428, 455, 800 CFM CFM

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On Sale

Intake Manifold Type: Dual Plane | High Rise

Carburetor Quantity: One

Carburetor Barrels: 4-Barrel

Carburetor Flange Type: 4-Barrel Square Bore

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$969.50
$1,370.95

400, 425, 455, Assembled Cylinder Head Style, Aluminum

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 77cc

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$1,249.50
$1,432.95

400, 430, 455, Assembled Cylinder Head Style, Aluminum

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 68cc

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$406.95
$447.95

400, 425, 455, Carbureted Fuel System Type, Natural

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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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$1,069.50
$1,593.95

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

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 87cc

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$416.95
$461.95

400, 430, 455, Carbureted Fuel System Type, Natural

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On Sale

Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

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290, 304, 327, 343, 360, 390, 401, 2.21" Overall Height

Overall Thickness: 0.06"

Overall Height: 2.21"

Overall Width: 1.13"

Gasket Material: Composite

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

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Intake Manifold Type: Dual Plane

Material Type: Aluminum

Finish: Satin

Gaskets Included: No

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290, 304, 343, 360, 390, 401, 0.25" Overall Thickness

Gasket Material: Core reinforced composite

Overall Thickness: 0.25"

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$46.95
$51.95

304, 327, 343, 360, 390, 401, Steel, Black Oxide, Black

On Sale

Material Type: Steel

Finish: Black Oxide

Guideplate Pushrod Size: 5/16 in."

Guide Plate Style: Flat

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389, 400, 421, 428, 455, Hex Wrench Type, Chromoly

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Wrench Type: Hex

Fastener Style: Bolt

Material Type: Chromoly

Cut to Fit: No

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$93.95
$116.95

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

On Sale
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326, 350, 389, 400, 421, 428, 455, User Tunable

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Carburetor Flange Type: 4-Barrel Square Bore

Injection Style: Multi-port

User Tunable: Yes

Self Tuning: Yes

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$505.95
$549.95

455, Carbureted Fuel System Type, 1,500-6,500 RPM Range

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On Sale

Fuel System Type: Carbureted

Intake Manifold Type: Dual Plane

Carburetor Quantity: One

Carburetor Flange Type: 4-Barrel Square Bore

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$451.95
$473.95

400, 430, 455, Carbureted Fuel System Type, Natural

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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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$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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$1,199.50
$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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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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$560.95
$580.95

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

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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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Gasoline Fuel Type, 110 GPH / 416 LPH Free Flow Rate

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On Sale

Fuel Type: Gasoline

Free Flow Rate: 110 GPH / 416 LPH

Maximum Pressure: 6 psi

Fuel Pump Inlet Size: 3/8" NPT

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$19.95
$21.95

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

On Sale

Thread Pitch: 3/8-16 X 1-1/4"

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$305.95
$329.95

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

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On Sale

Camshaft Type: Hydraulic Flat Tappet

Intake Duration: 308

Exhaust Duration: 320

RPM Range: 1,500-6,500

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$769.50
$1,161.95

340, Assembled Cylinder Head Style, Aluminum, Natural

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On Sale

Cylinder Head Style: Assembled

Material Type: Aluminum

Finish: Natural

Combustion Chamber Volume: 65cc

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$392.95
$447.95

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

Ships Free
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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$312.95
$320.95

351C, Hydraulic Flat Tappet Camshaft Type

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On Sale

Camshaft Type: Hydraulic Flat Tappet

Intake Duration: 312

Exhaust Duration: 322

RPM Range: 1,500-6,500

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$310.95
$350.95

343, 360, 390, 401, Hydraulic Flat Tappet Camshaft Type

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On Sale

Camshaft Type: Hydraulic Flat Tappet

Intake Duration: 310

Exhaust Duration: 320

RPM Range: 1,500-6,500

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