GMC Engine Gaskets & Seals Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Cometic MLS Head Gaskets C15528-040

Head Gaskets, MLS, 4.185 in./106.30mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C15528-040

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5247-051

Cometic MLS Head Gaskets C5247-051

Head Gasket, MLS, 4.125 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5247-051

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5474-036

Head Gasket, MLS, 4.080 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-036

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Edelbrock Cylinder Head Gaskets 7302

Head Gaskets, Laminate, 4.370 in. Bore, .039 in. Compressed, Chevy, 1965-90 Mark IV, 396-402-427-454 BBC, Pair

Part Number: EDL-7302

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5333-051

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

Part Number: CGT-C5333051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

PRW Valve Cover Gaskets 4174841

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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5245-070

Head Gasket, MLS, 4.060 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-070

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro PermaDry Valve Cover Gaskets VS 50090 R

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

Part Number: FEL-VS50090R

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic Rear Main Seals C5682

Rear Main Seal, 2-piece Style, Viton®, Chevy, Big Block, Each

Part Number: CGT-C5682

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Summit Racing™ Multi-Layer Steel Head Gaskets SUM-111650

Head Gasket, Multi-Layer Steel, GM, LS Engine, 4.8L and 5.3L Truck, Pair

Part Number: SUM-111650

1.0 out of 5 stars ( 3 )

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Mahle Original Cylinder Head Gaskets 54441

5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026

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Cometic Street Pro Top-End Gasket Kits PRO1050T

Engine Gasket Set, Street Pro, Top-end set, 3.875 in. Bore, .058 in. Thick MLX Cylinder Head Gasket, GM, L83, Kit

Part Number: CGT-PRO1050T

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Intake Manifold Gaskets MS 9617

Gaskets, Manifold, Intake, Chevy, Small Block, Set

Part Number: FEL-MS9617

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5432-060

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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Mr. Gasket Valve Cover Gaskets 61040G

Valve Cover Gaskets, Molded Rubber Compound, Chevrolet, GMC, Chevrolet Small Block LS, Pair

Part Number: MRG-61040G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

SCE AccuSeal Pro Water Pump Gaskets 21301

Water Pump Gaskets, AccuSeal Pro, Steel Core Composite, Chevy, Big Block Mark IV, Pair

Part Number: SCE-21301

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Summit Racing™ Copper Head Gaskets SUM-111505

Head Gaskets, Copper, 4.155 in. Bore, .062 in. Compressed Thickness, Chevy, Small Block, Pair

Part Number: SUM-111505

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

SCE AccuSeal E Intake Gaskets 111120

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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLX Head Gaskets C5031-040

Head Gasket, MLX, 4.165 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5031-040

2.0 out of 5 stars ( 2 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Mahle Original Intake Manifold Gaskets MS19598

Gaskets, Manifold, Intake, Molded Rubber, Stock Port, Cadillac, Chevrolet, GMC, Hummer, LS Engine, Set

Part Number: MAH-MS19598

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Mahle Original Head Gasket Sets HS54660A

GM Trk:365(6.0L) (2007-2008) Vin K, Y

Part Number: MAH-HS54660A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Engine Gasket Kits 260-1773

Engine Gasket Sets, Full Gasket Set Type, Head Gaskets, Intake Gaskets, Exhaust Manifold Gaskets, AM General, Chevy, GMC, Hummer, 6.5L Diesel, Kit

Part Number: FEL-260-1773

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5816-045

Head Gasket, MLS, 4.320 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5816-045

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Rear Main Seals BS 40622

Rear Main Seal, 1-Piece, Rubber, Chevy, GMC, 7.4L/454, Each

Part Number: FEL-BS40622

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

SCE AccuSeal Pro Intake Gaskets 211101

Gasket, Manifold, Intake, AccuSeal Pro, Chevy, Small Block, Set

Part Number: SCE-211101

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

ACDelco GM Genuine Parts Intake Manifold Gaskets 10159409

Gasket, Intake Manifold, TBI, Composite, Chevy, Pontiac, 5.0, 5.7L, Set

Part Number: ADO-10159409

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air