1985 GMC Engine Gaskets & Seals Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Cometic MLS Head Gaskets C5816-030

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 ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

SCE Pro Copper Head Gaskets P136280

Head Gasket, Titan, Copper, 4.630 in. Bore, .080 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-P136280

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

SCE AccuSeal Pro Intake Gaskets 213115

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Moroso Water Pump Gasket and Seal Kits 93231

Water Pump Gasket, SBC, Constructed of Cellulose Fiber Composition, Conforms to Mating Surface, Set of 10

Part Number: MOR-93231

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

SCE Pro Copper Head Gaskets P136243

Head Gasket, Titan, Copper, 4.630 in. Bore, .043 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-P136243

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

PRW Valve Cover Gaskets 4174851

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

Part Number: PQX-4174851

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

SCE AccuSeal Pro Oil Pan Gaskets 213090

Oil Pan Gasket, BBC, Accuseal Pro, Each

Part Number: SCE-213090

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Fel-Pro Valve Stem Seals SS 72526

Valve Stem Seals, Premium, Chevy, 5.0/5.7L, Set

Part Number: FEL-SS72526

3.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5329-030

Head Gasket, MLS, 4.375 in. Bore, .030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5329-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5269-040

Head Gasket, MLS, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Fel-Pro Rear Main Seals BS 40013

Rear Main Seal, 2-Piece, Silicone, Chevy, Small Block, Each

Part Number: FEL-BS40013

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5474-027

Head Gasket, MLS, 4.080 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-027

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5246-036

Head Gasket, MLS, 4.100 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-036

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5249-098

Head Gasket, MLS, 4.200 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-098

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Mr. Gasket Thermostat Housing and Water Outlet Gaskets 740C

Gasket, Cellulose/Nitrile, Water Neck, Chevy, Big/Small Block, V8, Each

Part Number: MRG-740C

4.2 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Fel-Pro Engine Gasket Kits 260-1243

Engine Gasket Sets, Full, Chevy, 5.0L, Kit

Part Number: FEL-260-1243

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Fel-Pro Air Cleaner Gaskets 60038

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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Mr. Gasket Thermostat Housing and Water Outlet Gaskets 738G

Gasket, Rubber, Water Outlet, Chevy,Big Block/Small Block, V8, Each

Part Number: MRG-738G

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 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 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

SCE AccuSeal Pro Intake Gaskets 213101

Gaskets, Intake, AccuSeal Pro, Fiber Laminate, 2 in. x 1.75 in. Port, .062 in. Thick, Chevy, Big Block, Oval

Part Number: SCE-213101

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5434-045

Head Gasket, MLS, 4.630 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-045

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

Cometic MLS Head Gaskets C5434-070

Head Gasket, MLS, 4.630 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-070

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Estimated Ship Date: Monday 3/2/2026 if shipped by air