$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 76 - 100 of 952

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: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Donut Gasket, 2 1/32 in. ID., Chevy, Ford, GMC, Lincoln, Mercury, Pontiac, Each

Part Number: MAH-F17250

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Oil Pan Gasket, Multi-Piece, Cellulose, Nitrile Composition, Chevy, Small Block, Thick/Thin Seals, Kit

Part Number: MRG-5884

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, MLS, 4.165 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-036

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

Head Gasket, Titan, Copper, 4.060 in. Bore, .043 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-S110643

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, Copper, 4.200 in. Bore, 0.062 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P112062

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Torque Converter Seal, Rubber, Powerglide, TH180, TH180C, TH250C, TH350, TH350C, TH375B, TH400, Each

Part Number: TMK-6712NA

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Rear Main Seal, 2-Piece, Rubber, Avanti, Buick, Chevy, Checker, GMC, Oldsmobile, Pontiac, Each

Part Number: CGT-C5379

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

Valve Cover Gaskets, Ultra-Seal, Nitrile Coated Cork/Rubber, Pontiac, V8, Pair

Part Number: MRG-5869

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, MLS, 4.030 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-080

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Engine Gasket Sets, Full, Buick, Chevy, Oldsmobile, Pontiac, Small Block, SBC, Chevrolet Engine, Kit

Part Number: FEL-260-1079

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Timing Cover Gaskets, Paper, Avanti, Bizzarrini, Buick, Cadillac, Checker, Chevrolet, Excalibur, GMC, Gordon-Keeble, ISO, Oldsmobile, Pontiac, Kit

Part Number: MAH-T27781

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Automatic Transmission Shift Shaft Seal, Steel/Rubber, Chevy, GMC< Buick, Pontiac, Cadillac, Jeep, Bentely, Isuzu, Each

Part Number: ATP-SO19

4.64 out of 5 stars ( 11 )

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, .051 in. Compressed Thickness, Pontiac, Each

Part Number: CGT-C5769-051

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Exhaust Gaskets, Header, Fiber, Stock Port, Chevy, Small Block, Kit

Part Number: BIG-99161FLT

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Air Cleaner Gasket, 5.031 in. Inside Diameter for 5.125 in. Mounting Flange, Composite, Universal for Carburetor/Throttle Body Engines, Each

Part Number: FEL-60038

4.89 out of 5 stars ( 45 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Gaskets, Timing Cover, Oldsmobile, V8, Kit

Part Number: FEL-TCS13417

3.33 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, MLS, 4.200 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-045

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gasket, MLS, 4.080 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Transmission Pan Gasket, Cork/Neoprene, GM TH350, Each

Part Number: MRG-8690

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

.040" MLX HEAD GASKET

Part Number: CGT-C15575-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Head Gaskets, Titan, Copper, 4.200 in. Bore, .043 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: SCE-S112043

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

.032-IN. MLX 5 LAYER HEAD GASKET

Part Number: CGT-C5249-023

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, 4.200 in. Bore, .027 in. Compressed Thickness, Pontiac, 455, Each

Part Number: CGT-C5769-027

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

Valve Cover Gaskets, AccuSeal E, Cork, Chevy, Small Block, Pair

Part Number: SCE-111076

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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