Pontiac 400 V8 Engine Parts

Exhaust Gaskets, Header, Steel Core Laminate, D-Port, 0.060 in. Thick, Pontiac, V8, Set

Part Number: FEL-1424

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

Brake Pads, Element3, Front, Semi-metallic, Buick, Cadillac, Chevy, GMC, Pontiac, Jeep, Set

Part Number: AGB-PG-D52M

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Sway Bar, Rear, Steel, Black Powdercoated, Solid, 1 1/8 in. Diameter, Chevy, Each, Kit

Part Number: UPI-3634-B

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Clutch Fork Pivot Ball, Adjustable, Steel, Black Oxide, Chevy/Pontiac/Olds, Most Applications, Each

Part Number: LAK-15501

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

Vacuum Advance, Adjustable, GM Points Type Distributor, V8, Each

Part Number: ACC-31034

4.18 out of 5 stars ( 22 )

Estimated Ship Date: Today

Heater Hose Fitting, Straight, Pontiac, Each

Part Number: OER-499744

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Alternator, GM 10SI/10DN/12SI Case Style, 12 V, 140 amps, 0.667 in. Dia. Pulley Shaft, Chrome Plated, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MCH-P2556-06

Not Yet Reviewed

Estimated Ship Date: Today

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Pistons, KB Performance Pistons, Hypereutectic Aluminum, 0.030 in. Oversize, Pontiac, 400, Set of 8

Part Number: UEM-KB422-030

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Single Fan, Chevy, Pontiac, Kit

Part Number: RAD-CHC11K

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Harmonic Balancer, Aluminum, Natural, Internal Engine Balance, 5.500 in. O.D., Pontiac, Each

Part Number: OPG-G240633

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Speedometer Cable, Female Threads, Black Plastic Jacket, 83.00 in. Length, AMC, Chevy, Chrysler, Ford, Each

Part Number: PIO-CA-3004

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Today

Radiator, Crossflow, 2-Row, Aluminum, Natural, Dual Fan, 1,734 cfm, Buick, Cadillac, Chevy, Pontiac, Kit

Part Number: GRI-CU-00006

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Pontiac, Each

Part Number: CGT-C5769-051

Not Yet Reviewed

Estimated Ship Date: Today

Intake Manifold, Victor, Single Plane, Aluminum, Natural, Square Bore, Pontiac, 326-455, Each

Part Number: EDL-2957

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Head Gasket, PermaTorque, Pontiac, 326, 350, 370, 389, 400, 421, 428, 455, Each

Part Number: FEL-8518PT

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Ignition Coil, PS20, Canister, Round, Oil-Filled, Black, Each

Part Number: FST-730-0020

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

Alternator, Smooth Look, GM 12si, 12 V, 150 amps, Polished, V-belt Pulley, Buick, Chevy, Olds, Pontiac, Each

Part Number: PWM-67297-367

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Suspension Handling Packages, Road Assault, Front, Chevrolet, Pontiac, Kit

Part Number: SDP-20111

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

• Oversize
• Special Order

Speedometer Cable, Push-On, 69.0 in. Length, Chevy, GMC, Pontiac, Each

Part Number: OER-6478176

4.29 out of 5 stars ( 24 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Pontiac, Kit

Part Number: MEL-MPE-115BR

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pedal Assembly, Billet Gas Pedal, Throttle, Rectangular, Firewall Mount, Aluminum, Black Anodized, Chevy, Pontiac, Each

Part Number: LOK-XBAG-6206

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Pump, Sniper OE Style 255 LPH EFI Fuel Pump Module, Electric In-Tank, 58 psi, 12 V, Gas, Chevrolet, Pontiac, Each

Part Number: SNE-12-301

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ignition Coil; Street Fire; GM HEI Distributor Coil

Part Number: MSD-5525

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Today

Master Cylinder, Cast Iron, 1.125 in. Bore, Dual Bowl, Each

Part Number: SUM-760177

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

Spring Spacer, Front, Aluminum, 1.000 in. Thickness, GM, Passenger Car, Each

Part Number: GLS-1106

4.83 out of 5 stars ( 24 )

Estimated Ship Date: Today