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

Mr. Gasket Valve Cover Gaskets 177

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

Part Number: MRG-177

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 Marine Head Gaskets C5634-051

Cometic MLS Marine Head Gaskets C5634-051

Head Gasket, 4.500 in. Bore, .051 in. Compressed Thickness, Chevy, Mercury Marine, Each

Part Number: CGT-C5634-051

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 AccuSeal Pro Valve Cover Gaskets 264074

Valve Cover Gaskets, AccuSeal Pro, Composite/Rubber Seal, Mopar, Big Block RB, Wedge, Brodix B1 BS, Edelbrock Cylinder Heads, Pair

Part Number: SCE-264074

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 C5330-140

Head Gasket, MLS, 4.540 in. Bore, .140 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330-140

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

Weiand Supercharger Gasket Sets 9593

Gasket and Seal Kit, Weiand, Pro Street, 142 Series Supercharger, Kit

Part Number: WND-9593

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 8172 PT-2

Full Gasket Set

Part Number: FEL-FS8172PT2

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® by Cometic MLS Head Gaskets TFS-61694350-040

Head Gasket, MLS, 4.350 in. Bore, 0.040 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Big Block, Each

Part Number: TFS-61694350-040

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

Mahle Original Intake Manifold Gaskets MS15166X

Intake Manifold Gaskets, Original, Stock Port, Composite, Ford, Big Block FE, Set

Part Number: MAH-MS15166X

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 C5247-027

Head Gasket, MLS, 4.125 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5247-027

3.0 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

Summit Racing™ Valve Cover Gaskets SUM-G2322

Valve Cover Gaskets, Nitrile Rubber with Steel Core, Oldsmobile, V8, Pair

Part Number: SUM-G2322

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 Oil Filter Adapter Gaskets 70135

Oil Filter Adapter Gaskets, Fiber, Ford, V8, Each

Part Number: FEL-70135

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

Mr. Gasket Valve Cover Gaskets 275

Valve Cover Gaskets, Cork/Rubber, Ford, Mercury/Shelby, 352-428, FE, Pair

Part Number: MRG-275

4.0 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 C5399-080

Head Gasket, MLS, 4.030 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-080

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

Cometic MLS Head Gaskets C5433-027

Head Gasket, MLS, 4.570 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5433-027

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 Conversion Set Gaskets CS 8180-1

Conversion Gasket Set, Chevy, 396, 402, 427, 454, Set

Part Number: FEL-CS81801

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 C5833-030

Head Gasket, MLS, 4.080 in. Bore, .030 in. Compressed Thickness, Ford, Each

Part Number: CGT-C5833-030

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 CFM-20 Intake Gaskets C5414-059

Gasket, Manifold, Intake, Aramid Fiber, 0.059 in. Thick, Brodix Track 1, Chevy, Small Block, Each

Part Number: CGT-C5414-059

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 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 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Milodon Timing Cover Gasket Sets 65662

Gaskets, Timing Cover, Crank Seal, Gaskets, Cover Bolts, Mopar, Hemi, Kit

Part Number: MIL-65662

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

SCE AccuSeal E Timing Cover Gaskets 11303

Gaskets, Timing Cover, Fiber, with Seal, Chevy, Big Block, Kit

Part Number: SCE-11303

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

Flatout Gaskets RCC Copper Cylinder Head Gaskets 900134155

Head Gaskets, RCC, 4.155 in. Bore, 0.030 in. Thickness, Rubber Coated Copper, Chevy, Small Block, Pair

Part Number: FOG-900134155

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 C5331-036

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .036 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-036

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Cometic MLS Head Gaskets C5331-030

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Estimated Ship Date: Monday 2/23/2026

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Edelbrock Water Pump Gaskets 7254

Gasket Kit. Water Pump, Ford, 5.0L, Set

Part Number: EDL-7254

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 Performance Carburetor Mounting Gaskets 60677

Carburetor Base Plate Gasket, 2-Hole, Paper, Holley 2-Barrel Flange, International, Each

Part Number: FEL-60677

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 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 2/23/2026 if shipped by air

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