Automotive Gaskets & Seals at Summit Racing

Cometic MLS Head Gaskets C5666-027

Cometic MLS Head Gaskets C5666-027

Head Gasket, MLS, 4.400 in. Bore, .027 in. Compressed Thickness, Ford, Each

Part Number: CGT-C5666-027

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Motive Gear Manual Transmission Gasket Sets GS10-55

Manual Transmission Gaskets, Borg Warner T-10, AMC, Buick, Chevy, Dodge, Ford, Mercury, Olds, Pontiac, Kit

Part Number: MGR-GS10-55

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5467-070

Head Gasket, MLS, 3.950 in. Bore, .070 in. Compressed Thickness, Dodge, Each

Part Number: CGT-C5467-070

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5269-032

Head Gasket, MLS, 4.060 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5751-045

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

Part Number: CGT-C5751-045

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Allstar Performance High Performance PTFE Valve Seals ALL90241

Valve Stem Seals, PTFE, .500 in. Guide Diameter, .600 in. Outside Diameter, 11/32 in. Valve Stem, Set of 16

Part Number: AAF-ALL90241

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Mahle Original Valve Stem Seals SS45920

Valve Stem Seals, Positive Stop, Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, Pontiac, Set of 8

Part Number: MAH-SS45920

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Engine Works Viton© Valve Stem Seals 14045-100

Engine Valve Stem Oil Seals, Viton® Blue, Stem Seal, 0.530 in. Guide, 11/32 in. Valve Stem, 0.575 in. OD, Set of 100

Part Number: EW1-14045-100

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5330-051

Head Gasket, MLS, 4.540 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5789-051

Head Gasket, MLS, 4.125 in. Bore, 0.051 in. Compressed Thickness, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: CGT-C5789-051

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5464-045

Head Gasket, Multi-layer Steel, 4.500 in. Bore, .045 in. Compressed Thickness, Chrysler, Big Block, Each

Part Number: CGT-C5464-045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5331-075

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .075 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-075

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5269-023

Head Gasket, MLS, 4.060 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-023

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5249-032

Head Gasket, MLS, 4.200 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5475-027

Head Gasket, 3.910 in. Bore, .027 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-027

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5516-040

Head Gasket, MLS, 4.180 in. Bore, .040 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5516-040

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5489-027

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5249-030

Head Gasket, MLS, 4.200 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5816-095

Head Gasket, MLS, 4.320 in. Bore, .095 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5816-095

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Valve Stem Seals SS 72921-1

Valve Stem Seals, Positive Stop, Ford, Lincoln, Mercury, 4.6/5.4L, V8, Set of 24

Part Number: FEL-SS729211

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Valve Stem Seals SS 72513

Valve Stem Seals, Umbrella Type, Rubber, Chevy, Set

Part Number: FEL-SS72513

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5808-027

Head Gasket, Multi-Layer Steel, 4.125 in. Bore, 0.027 in. Thick, Oldsmobile, Each

Part Number: CGT-C5808-027

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5622-060

Head Gasket, MLS, 4.080 in. Bore, .060 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Each

Part Number: CGT-C5622-060

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5769-066

Head Gasket, MLS, 4.200 in. Bore, Multi-layer Stainless Steel, Pontiac, 400, 428, 455, Each

Part Number: CGT-C5769-066

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air