1978 Engine Gaskets & Seals Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Cometic MLS Head Gaskets C15439-056

Cylinder Head Gasket , .056" MLS-5 NO STEAM H/G , GM SB 18/23 DEG 4.185" BORE

Part Number: CGT-C15439-056

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Cometic MLS Head Gaskets C5331-034

Cometic MLS Head Gaskets C5331-034

Head Gasket, MLS, 4.630 in. Bore, .034 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5331-034

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic MLS Head Gaskets C5464-036

Head Gasket, MLS, 4.500 in. Bore, .036 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Each

Part Number: CGT-C5464-036

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Engine Works Valve Cover Gaskets 350SVC

Gaskets, Valve Cover, Cork/Rubber, with Steel Core, 0.313 in. Thick, for Perimeter Bolt Covers, Chevy, SB, 262-400, Pair

Part Number: EW1-350SVC

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic Timing Cover Gaskets C5660-020

Gaskets, Timing Cover, Rubber with Steel Core, Ford, Small Block, Each

Part Number: CGT-C5660-020

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

SCE AccuSeal E Timing Cover Gaskets 16403

Timing Cover Gasket and Seal, Water Pump Outlet Gasket, one of each

Part Number: SCE-16403

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Mr. Gasket Standard Intake Gasket Sets 143

Gaskets, Manifold, Intake, 2.260 in. Height, 1.350 in. Width, .063 in. Thick, Chevy, Small Block, Set

Part Number: MRG-143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Mr. Gasket Rear Main Seals 1960

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

Part Number: MRG-1960

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

SCE AccuSeal E Oil Pan Gaskets 128090

Oil Pan Gasket, AccuSeal E, Multi-Piece, Nitrile, Butadiene, Pontiac, V8, Set

Part Number: SCE-128090

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic Street Pro Top-End Gasket Kits PRO1000T

Gasket, Top-End Set, Chrysler, Dodge, Plymouth, 340, 360, Kit

Part Number: CGT-PRO1000T

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic MLS Head Gaskets C5515-023

Head Gasket, MLS, 4.155 in. Bore, .023 in. Compressed Thickness, Ford, 289, 302, 351W, Each

Part Number: CGT-C5515-023

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ford Performance Parts Intake Manifold Gaskets for 1968-1995 MUSTANG - M-9439-G50

Gaskets, Intake Manifold, Graphite, Stock Port, Ford, Small Block, 302, Set

Part Number: FMS-M-9439-G50

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic AFM Intake Gaskets C5624-125

Intake Manifold Gaskets, Aramid Fiber, 0.125 in. Thick, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: CGT-C5624-125

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

SCE Pro Copper Head Gaskets P136293

Head Gasket, Copper, 4.630 in. Bore, 0.093 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P136293

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Fel-Pro PermaDry Valve Cover Gaskets VS 50259 R

Valve Cover Gaskets, Rubber, Buick, Cadillac, Checker, Chevy, GMC/Oldsmobile, Pontiac, V8, Pair

Part Number: FEL-VS50259R

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Brodix Cylinder Heads Intake Manifold Gaskets MG 2013

Gaskets, Manifold, Intake, Raised Oval, Chevy, Big Block, Big Duke 18 Degree Heads, Each

Part Number: BRO-MG2013

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic MLS Head Gaskets C5269-045

Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-045

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Mahle Original Valve Stem Seals SS45399

Valve Stem Seals, Original, Umbrella Type, Polyacrylic, Bricklin, DeTomaso, Ford, Laforza, Lincoln, Mercury, Omega, Shelby, Sunbeam, TVR, Each

Part Number: MAH-SS45399

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 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 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Mr. Gasket MLS Head Gaskets 3175G

Head Gasket, Multi-Layer, 4.030 in. Gasket Bore, Compressed 0.040 in., Ford, Lincoln, Mercury, Each

Part Number: MRG-3175G

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

SCE Timing Cover Seals 11302

Timing Cover Seal, Nitrile Rubber, Chevy, Big Block V8, Each

Part Number: SCE-11302

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Cometic MLS Marine Head Gaskets C5640-060

Head Gasket, Marine, 4.580 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5640-060

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

SCE Titan Copper Head Gaskets T135772

Head Gaskets, Titan Copper, 4.570 in. Bore, 0.072 in. Compressed Thickness, Chevrolet, Big Block Mark IV, Each

Part Number: SCE-T135772

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

SCE Pro Copper Head Gaskets P135762

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026

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Fel-Pro PermaTorque Head Gaskets 525 SD

Head Gasket, PermaTorque Sever Duty, 4.165 in. Bore, 0.050 in. Compressed Thickness, Ford, L6, Each

Part Number: FEL-525SD

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Mr. Gasket Standard Intake Gasket Sets 110

Gaskets, Manifold, Intake, Composite, Rectangle, 2.50 in. x 1.75 in. Port, .120 in. Thick, Chevy, 396-454, Set

Part Number: MRG-110

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air