$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

1978 PONTIAC FIREBIRD Gaskets & Seals

Individual Parts

Results 151 - 175 of 950

Head Gasket, Composite, 4.125 in. Bore, .041 in. Compressed Thickness, Chevrolet, Each

Part Number: MAH-1178VC

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Drain Plug Gasket, Nylon, Each

Part Number: FEL-70822

3.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, MLS, 4.060 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-023

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Transmission Seal, Rear, Rubber, Each

Part Number: ADO-9613S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Intake Manifold Gaskets, E-Tec, Composite, Steel Core, Chevy, Small Block, Set

Part Number: EDL-7215

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Valve Cover Gaskets, AccuSeal Pro, Laminated High-Temperature Silicone/Cork, Chevy, Small Block, Pair

Part Number: SCE-211076

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, MLS, 4.200 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, 4.135 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5401-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Timing Cover Seal, Crankshaft Front Seal, for use on Honda®, BMW, Buick, Cadillac, Chevy, Geo, GMC, Isuzu, Jeep, Olds, Opel, Pontiac, Saturn, Each

Part Number: ADO-8792S

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Seal, Rear Transmission Seal, Steel with Rubber Insert, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Eash

Part Number: TMK-9613S

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Head Gasket, Copper, 4.155 in. Bore, 0.043 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111543

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Engine Gasket Sets, Full, Oldsmobile, 6.6L, Kit

Part Number: FEL-260-1104

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Gasket, Timing Cover, Cork/Rubber, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 260-455, V8, Kit

Part Number: FEL-TCS45270

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Head Gasket; Ultra Seal; Head Gasket; Flexible Graphite Core; Elastomer Coated; 3.87 in. Gasket Bore; 0.028 in

Part Number: MRG-5780G

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, Copper, 4.155 in. Bore, 0.050 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111550

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Head Gasket, MLS, 4.125 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5247-030

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Head Gasket, PermaTorque Severe Duty, 3.900 in. Bore, Chevy, 4.3/5.0L, V8, Each

Part Number: FEL-505SD

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Gaskets, Timing Cover, Cork/Rubber, Pontiac, V8, Kit

Part Number: FEL-TCS45166

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Gaskets, Manifold, Intake, AccuSeal E, Vortec CPI, 2.10 in. Height, .120 in. Thick, Chevy, Small Block, Set

Part Number: SCE-111120

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, Composite, 4.300 in. Bore, .040 in. Compressed Thickness, Pontiac, Each

Part Number: MAH-3494VC

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Head Gaskets, Titan, Copper, 4.200 in. Bore, .062 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: SCE-S112062

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Rear Main Seal, 2-Piece, Rubber, Each

Part Number: FEL-BS40613

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Gaskets, Timing Cover, Composite, Chevy, Small Block, Kit

Part Number: EDL-6997

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Transmission Pan Gasket, Reusable, Rubber, TH350, Each

Part Number: MRG-61081MRG

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Gaskets, Intake, AccuSeal E, Composite, 1.175 in. x 2.300 in. Port, .060 in. Thick, Pontiac, 400/455, Set

Part Number: SCE-128105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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