1980 GMC Engine Gaskets & Seals

Head Gasket, PermaTorque Severe Duty, 4.370 in. Bore, 0.041 in. Compressed Thickness, Chevy, GMC, Big Block, Truck, SUV, Van, Each

Part Number: FEL-508SD

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Engine Gasket Sets, Full, Chevy, 7.4L, Kit

Part Number: FEL-260-1046

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Gaskets, Head Set, Chevy, 350, Set

Part Number: FEL-HS7733PT2

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.540 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Valve Cover Gaskets, Cork/Rubber, Chevy, Big Block, Pair

Part Number: MRG-182

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.375 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-023

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.030 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gaskets, MLS, 4.040 in./102.616mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C5470

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Titan, Copper, 4.630 in. Bore, .050 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-P136250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Copper, 4.570 in. Bore, 0.062 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135762

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .075 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-075

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Head Gasket, MLX, Multi-Layer Stainless Steel, 4.560 in. Bore, 0.040 in. Compressed Thickness, Chevrolet, GMC, Chevy Big Block, Each

Part Number: CGT-C15561-040

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Gaskets, Intake, Ultra-Seal, Composite, 2.13 in. x 1.25 in. Port, .060 in. Thick, Chevy, Small Block, Set

Part Number: MRG-5821

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Titan, Copper, 4.630 in. Bore, .050 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T136250

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, PermaTorque, 4.370 in. Bore, .042 in. Compressed Thickness, Chevy, GMC, Big Block, V8, Each

Part Number: FEL-502SD

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Multi-Layer Steel, 4.320 in. Bore, 0.051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5816-051

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, Multi-Layer Steel, 4.320 in. Bore, 0.030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5816-030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Valve Cover Gaskets, Blue Rubber/Steel Core, 3/16 in. Thick, Perimeter Bolt, Small Block, Chevy, Pair

Part Number: PQX-4174841

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.630 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5434-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Head Gasket, MLS, 4.540 in. Bore, .060 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-060

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Head Gasket, MLS, 4.310 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-060

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Head Gasket, Titan, Copper, 4.320 in. Bore, .043 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T133243

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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 4/20/2026 if shipped by air

Gaskets, Manifold, Intake, AccuSeal Pro, 2.500 in. x 1.800 in. Port, .062 in. Thick, Chevy, Big Block, Set

Part Number: SCE-213115

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air