1966 Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Flowtech Replacement Header Gasket Sets 99161FLT

Exhaust Gaskets, Header, Fiber, Stock Port, Chevy, Small Block, Kit

Part Number: BIG-99161FLT

4.65 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cometic MLS Marine Head Gaskets C5641-040

Cometic MLS Marine Head Gaskets C5641-040

Head Gasket, MLS, Marine, 4.600 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5641-040

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Trick Flow® Intake Gaskets TFS-2893

Gaskets, Manifold, Intake, Composite, 2.25 in. x 1.40 in. Port, .120 in. Thick, Ford, 260/289/302/351W, Set

Part Number: TFS-2893

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Performance PermaTorque MLS Head Gaskets 1133 SD-4

Head Gasket, PermaTorqueMLS, 4.100 in. Bore, .043 in. Thickness, Ford, 255, 260, 289, 302, 351W, Each

Part Number: FEL-1133SD4

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Trick Flow® by Cometic MLS Head Gaskets TFS-61694380-040

Head Gasket, MLS, 4.380 in. Bore, 0.040 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: TFS-61694380-040

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Engine Gasket Kits FS 8088 WS-1

Gaskets, Full Set, Dodge, Plymouth, 426 Hemi, Set

Part Number: FEL-FS8088WS1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Cometic MLS Head Gaskets C5434-040

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Engine Gasket Kits FS 8006 PT-4

Full Gasket Set

Part Number: FEL-FS8006PT4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

SCE AccuSeal Pro Valve Cover Gaskets 279176

Gaskets, Valve Cover, Silicone/Cork, 0.250 in. Thick, Oldsmobile, 350, 400, 403, 455, Pair

Part Number: SCE-279176

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mahle Original Exhaust Pipe Flange Gaskets F17250S

Flange Gasket, Donut Style, Each

Part Number: MAH-F17250S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Brodix Cylinder Heads Intake Manifold Gaskets MG 2001

Gaskets, Manifold, Intake, Composite, 2.48 in. x 1.8 in. Port, Chevy, 366-454, Each

Part Number: BRO-MG2001

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mr. Gasket Ultra-Seal Exhaust Gaskets 5910

Exhaust Gaskets, Header, Ultra-Seal, Square Port, Chevy, Big Block, Pair

Part Number: MRG-5910

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mr. Gasket Intake Gasket Sets 5817

Gaskets, Manifold, Intake, Ultra-Seal, 2.550 in. x 1.850 in. Raised Port, .060 in. Thick, Chevy, Big Block, Set

Part Number: MRG-5817

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Engine Gasket Kits 260-1079

Engine Gasket Sets, Full, Buick, Chevy, Oldsmobile, Pontiac, Small Block, SBC, Chevrolet Engine, Kit

Part Number: FEL-260-1079

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

SCE ICS Titan Copper Head Gaskets S136243

Head Gaskets, Titan, Copper, 4.630 in. Bore, .043 in. Compressed Thickness, Chevy, 427/454, Each

Part Number: SCE-S136243

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Remflex Exhaust Header Gasket Sets 2081

Exhaust Header and Manifold Gaskets, Square Port, Graphite, Designed for AFR 23 degree Non-spread Port Cylinder Heads, Chevy, Small Block, Pair

Part Number: RFL-2081

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Summit Racing Equipment® Timing Chain Cover Seals SUM-111490

Seal, Timing Chain Cover, Nitrile Rubber, Chevy, Small Block, Each

Part Number: SUM-111490

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

SCE Titan Copper Head Gaskets T133243

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro PermaDryPlus Valve Cover Gaskets VS 13395

Valve Cover Gaskets, Blue Stripe Cork/Rubber, Chrysler, Dodge, Plymouth, V8, Pair

Part Number: FEL-VS13395

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Edelbrock Thermostat Gaskets 7260

Gasket, Rubber, Water Outlet, Buick, Chevy, Oldsmobile, Big Block, Small Block, V6, V8, Each

Part Number: EDL-7260

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Engine Gasket Kits 260-1082

Engine Gasket Sets, Full Gasket Set Type, Head Gaskets, Intake Gaskets, Exhaust Manifold Gaskets, Ford, Lincoln, Mercury, Small Block Windsor, Kit

Part Number: FEL-260-1082

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air