Engine Gaskets, Seals & More

Cometic MLS Head Gaskets C5333-051

Cometic MLS Head Gaskets C5333-051

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

Part Number: CGT-C5333051

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 C5933-040

Head Gaskets, MLS, 4.125 in. Bore, Multi-layer Stainless Steel, 0.040 in. Compressed Thickness, Right Side, Chevy, 6.2L, Each

Part Number: CGT-C5933-040

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

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

Cometic MLS Head Gaskets C5871-056

Head Gasket, MLS, 4.100 in. Bore, .056 in. Compressed Thickness, Ford, Each

Part Number: CGT-C5871-056

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 72835

Valve Stem Seals, Positive Stop, Dodge, Jeep, 3.9/4.0L, Set of 12

Part Number: FEL-SS72835

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Cometic MLS Head Gaskets C5516-051

Head Gasket, MLS, 4.180 in. Bore, .051 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5516-051

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 C5434-045

Head Gasket, MLS, 4.630 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-045

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

Cometic MLS Head Gaskets C5331-066

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .066 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-066

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

Fel-Pro Valve Stem Seals SS 72683

Valve Stem Seals, Rubber, Positive Stop, .342 in. Stem, Ford, Lincoln, Mercury, Mazda, Laforza, Set of 8

Part Number: FEL-SS72683

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

Engine Works Viton© Valve Stem Seals 14043-100

Valve Stem Seal, 0.500 in. O.D., 0.344 in. Stem Diameter, Viton®, Set of 100

Part Number: EW1-14043-100

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 C5119-040

Head Gasket, 92.00mm Bore, .040 in. Compressed Thickness, Ford, 4.6, 5.4L, Passenger Side, Each

Part Number: CGT-C5119-040

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 C5622-051

Head Gasket, MLS, 4.080 in. Bore, .051 in. Compressed Thickness, Chrysler, Dodge, Plymouth, 318-360, Each

Part Number: CGT-C5622-051

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 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 C5330-080

Head Gasket, MLS, 4.540 in. Bore, .080 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-080

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 C5512-036

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5512-036

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 for 2001-2005 CIVIC - C4471-067

.067" MLS-5 HEAD GASKET

Part Number: CGT-C4471-067

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Mahle Original Valve Stem Seals SS45323

Valve Stem Seals, Umbrella, Rubber, AMC, International, Jeep, Set of 12

Part Number: MAH-SS45323

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 C5249-036

Head Gasket, MLS, 4.200 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-036

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 C5933-051

Head Gaskets, 4.125 in. Bore, .051 in. Compressed Thickness, Right Cylinder Head Position, Chevy, Small Block, Each

Part Number: CGT-C5933-051

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

Manley All-PTFE Valve Stem Seals 24036-16

Valve Stem Seals, Positive Stop, PTFE, 0.375 in. Stem, 0.530 in. Guide, Set of 16

Part Number: MAN-24036-16

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Dart Valve Stem Seals 26000023

Valve Stem Seal, Umbrella Type, Rubber, 0.344 in. Stem, Designed To Fit Dart S/S Cylinder Heads, Each

Part Number: DRT-26000023

4.0 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 C5249-066

Head Gasket, MLS, 4.200 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-066

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

Cometic MLS Head Gaskets C5331-030

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-030

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 C5330-027

Head Gasket, MLS, 4.540 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330-027

5.0 out of 5 stars ( 4 )

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 C5809-051

Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-051

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