CHEVROLET K20 Gaskets & Seals

Mr. Gasket Oil Pan Gasket Sets 5884

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 4/20/2026 if shipped by air

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

Cometic MLS Head Gaskets C5246-051

Cometic MLS Head Gaskets C5246-051

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-051

5.0 out of 5 stars ( 1 )

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

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

Fel-Pro Rear Main Seals BS 40096-1

Rear Main Seal, 2-Piece, Rubber, Chevy, Each

Part Number: FEL-BS400961

5.0 out of 5 stars ( 3 )

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

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

Cometic MLS Head Gaskets C5330-045

Head Gasket, MLS, 4.540 in. Bore, .045 in. Compressed Thickness, Chevy, 454, Each

Part Number: CGT-C5330-045

Not Yet Reviewed

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

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

SCE Pro Copper Embossed Exhaust Gaskets 4313

Exhaust Gaskets, Header, Copper, Round, Port, Chevy, Big Block, Pair

Part Number: SCE-4313

5.0 out of 5 stars ( 1 )

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

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

Cometic MLS Head Gaskets C5399-051

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

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

Cometic MLS Head Gaskets C5246-027

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

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

Fel-Pro Head Gasket Sets HS 7733 PT-2

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

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

Remflex Exhaust Header Gasket Sets 2029

Exhaust Header and Manifold Gaskets, Rectangular Port, Graphite, Fits Old-style GM Performance ZZ502 Heads, Chevy, 7.4L, 8.2L, Pair

Part Number: RFL-2029

5.0 out of 5 stars ( 5 )

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

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

Mr. Gasket Valve Cover Gaskets 182

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

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

Mr. Gasket Ultra-Seal Intake Manifold Gaskets 5828

Gaskets, Intake, Ultra-Seal, Composite, Rectangle, 2.50 in. x 1.75 in. Port, .060 in. Thick, Chevy, 396-454

Part Number: MRG-5828

5.0 out of 5 stars ( 4 )

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

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

Cometic MLS Head Gaskets C5329-027

Head Gasket, MLS, 4.375 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-027

1.0 out of 5 stars ( 1 )

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

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

Cometic MLS Head Gaskets C5329-023

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

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

Cometic MLS Head Gaskets C5470

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

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

Cometic MLS Head Gaskets C5816-030

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

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

Cometic MLS Head Gaskets C5432-027

Head Gasket, MLS, 4.310 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-027

5.0 out of 5 stars ( 1 )

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

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

SCE Pro Copper Head Gaskets P135762

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

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

SCE Pro Copper Head Gaskets P136250

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

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

Fel-Pro Exhaust Pipe Flange Gaskets 8194

Gasket, Exhaust Packing, Chevy, GMC, Truck, 1960-69, V8/L6/V6, Each

Part Number: FEL-8194

4.55 out of 5 stars ( 31 )

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

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

SCE ICS Titan Copper Head Gaskets S111543

Head Gasket, Titan, Copper, 4.155 in. Bore, .043 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-S111543

5.0 out of 5 stars ( 1 )

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

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

Cometic MLS Head Gaskets C5331-075

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

SCE Titan Copper Head Gaskets T136262

Head Gasket, Titan, Copper, 4.630 in. Bore, .062 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T136262

Not Yet Reviewed

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

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

Mr. Gasket Ultra-Seal Intake Manifold Gaskets 5821

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

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

Cometic MLX Head Gaskets C15561-040

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

Fel-Pro Rear Main Seals BS 40520

Rear Main Seal, 1-Piece, Rubber, Chevy, Small Block, Each

Part Number: FEL-BS40520

4.0 out of 5 stars ( 8 )

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

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