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

Cometic MLS Head Gaskets C5517-040

Cometic MLS Head Gaskets C5517-040

Head Gaskets, 4.200 in. Bore, .040 in. Compressed Thickness, Ford, Small Block, Each

Part Number: CGT-C5517-040

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 Marine Rear Main Seals 17740

Rear Main Seal, 2-piece Style, Rubber, Reverse Rotation Seal for Marine Only, Chevy, Big Block, Each

Part Number: FEL-17740

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 Exhaust Gaskets C5251-051

Exhaust Gaskets, Headers, Multi-Layer Steel, Round Port, Chevrolet, Big Block V8, Pair

Part Number: CGT-C5251-051

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

Mr. Gasket Header/Manifold Exhaust Gaskets 7430G

Exhaust Header and Manifold Gaskets, Rectangular Port, Aluminum, Dodge, Plymouth, Big Block, Pair

Part Number: MRG-7430G

4.0 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 Pro Copper Embossed Exhaust Gaskets 4064

Exhaust Gaskets, Header, Copper, Rectangular Port, Mopar, Big Block B/RB, Pair

Part Number: SCE-4064

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

Trick Flow® by Cometic MLS Head Gaskets TFS-61494080-040

Head Gasket, Multi-Later Steel, MLS, 4.080 in. Bore, .040 in. Compressed Thickness, Mopar 318, 340, 360, Each

Part Number: TFS-61494080-040

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

Yukon Gear & Axle Pinion Seals YMS2043

Pinion Seal, Steel with Rubber Inner, Each

Part Number: YGA-30017

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

Cometic MLS Head Gaskets C5331-050

Head Gasket, MLS, 4.630 in. Bore, .050 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5331-050

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 Timing Chain Cover Gaskets 94

Gaskets, Timing Cover, Composite, Chevy, Big Block, Kit

Part Number: MRG-94

4.43 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 Distributor Gaskets C5531-060

Gasket, Distributor, Aramid Fiber, Chevy, Small, Big Block, Each

Part Number: CGT-C5531-060

4.92 out of 5 stars ( 13 )

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 C5433-051

Head Gasket, MLS, 4.570 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5433-051

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

Cometic MLS Head Gaskets C5402-040

Head Gaskets, 4.160 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5402-040

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 Timing Cover Gaskets T27119

Timing Cover Gasket, Paper, Chevrolet, Each

Part Number: MAH-T27119

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

Fel-Pro Performance Intake Manifold Gasket Sets 1254

Gasket, Manifold, Intake, Chevy, V8, 265-400, 18 Degree Split Valley Cover, Set

Part Number: FEL-1254

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 Rear Main Seals BS 40245

Rear Main Seal, 2-Piece, Rubber, Chrysler, Dodge, Plymouth, V8, Each

Part Number: FEL-BS40245

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

Mahle Original Rear Main Seals JV1636

Ford-Pass, Trk&Ind;Merc:240, 300, 351W(65-94)

Part Number: MAH-JV1636

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 Transmission Pan Gaskets 61081MRG

Transmission Pan Gasket, Reusable, Rubber, TH350, Each

Part Number: MRG-61081MRG

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

Cometic MLS Head Gaskets C5272-030

Head Gasket, MLS, 4.165 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5272-030

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

SCE AccuSeal Pro Head Gaskets 5110932

Head Gasket, AccuSeal Pro, Composite Type, 4.093 in. Bore, .032 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-5110932

2.0 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

Proform Soft Conforming Aluminum Header Gaskets 67921

Exhaust Gaskets, Header, Aluminum, Square Port, Chevy, Small Block, Pair

Part Number: PRO-67921

4.36 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

SCE Titan Copper Head Gaskets T133850

Head Gaskets, Titan, Copper, 4.380 in. Bore, .050 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: SCE-T133850

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

Proform Soft Conforming Aluminum Header Gaskets 67929

Exhaust Gaskets, Header, Aluminum, Mopar, Small Block LA, Pair

Part Number: PRO-67929

3.86 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 C5245-080

Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-080

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

Fel-Pro Performance Carburetor Mounting Gaskets 60059

Carburetor Mounting Gasket

Part Number: FEL-60059

5.0 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

SCE AccuSeal E Oil Pan Gaskets 179090

Oil Pan Gasket, Multi-Piece, Rubber, Oldsmobile, 260-455, Each

Part Number: SCE-179090

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