Engine Gaskets, Seals & More

Cometic MLS Head Gaskets C5666-023

Cometic MLS Head Gaskets C5666-023

Head Gasket, MLS, 4.400 in. Bore, .023 in. Compressed Thickness, Ford, Each

Part Number: CGT-C5666-023

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 C5249-066

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 C5934-051

Head Gaskets, 4.125 in. Bore, .051 in. Compressed Thickness, Left Side Cylinder Head, Chevy, Small Block, Each

Part Number: CGT-C5934-051

3.0 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 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 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 SS45799A

Valve Stem Seal Dodge-Trk:318(5.2L)Magnum(92-95);360(5.9L)Magnum(93-95)(exh)

Part Number: MAH-SS45799A

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 C5513-040

Head Gasket, MLS, 4.080 in. Bore, .040 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5513-040

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 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 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 C5331-056

Head Gasket, MLS, 4.630 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5331-056

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

Cometic MLS Head Gaskets C5399-036

Head Gasket, MLS, 4.030 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-036

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

Manley Viton® Valve Stem Seals 24042-16

Valve Stem Seals, SEALS-5/16 STEM

Part Number: MAN-24042-16

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

Cometic MLS Head Gaskets C5460-040

Head Gasket, MLS, 4.350 in. Bore, .040 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Each

Part Number: CGT-C5460-040

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 70529

Valve Stem Seals, Umbrella, AMC, Jeep, 5.0/5.9/6.6L, V8, Set of 16

Part Number: FEL-SS70529

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 70070

Valve Stem Seals, Umbrella Type, Rubber, Fits Intake Valve, DeTomaso, Ford, La Forza, Lincoln, Mercury, Set of 8

Part Number: FEL-SS70070

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 C4276-051

Head Gasket, MLS, 87.00mm Bore, .051 in. Compressed Thickness, Toyota, Each

Part Number: CGT-C4276-051

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 C5809-040

Head Gaskets, 4.200 in. Bore, .040 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-040

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 C5027-040

Head Gasket, MLS, 4.120 in. Bore, .040 in. Compressed Thickness, Left, Chrysler, Jeep, Dodge, Each

Part Number: CGT-C5027-040

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 C5331-095

Head Gasket, MLS, Multi-layer Stainless Steel, 4.630 in. Bore, 0.095 in. Compressed Thickness, Chevrolet, Big Block, Each

Part Number: CGT-C5331-095

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

Cometic MLS Head Gaskets C15142-040

Head Gasket, MLS, Multi-Layer Stainless Steel, 4.600 in. Bore, 0.040 in. Thick, Ford, Big Block 385 Series, Each

Part Number: CGT-C15142-040

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 C5769-040

Head Gasket, 4.200 in. Bore, .040 in. Compressed Thickness, Pontiac, 455, Each

Part Number: CGT-C5769-040

4.0 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 C5667-060

Head Gasket, MLS, 4.500 in. Bore, Multi-layer Stainless Steel, Ford, 429, 460, Each

Part Number: CGT-C5667-060

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

Fel-Pro Valve Stem Seals SS 70945

Valve Stem Seals, Umbrella Type, Rubber, Avanti, Chevy, GMC, Pontiac, Set of 16

Part Number: FEL-SS70945

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 C5333-027

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

Part Number: CGT-C5333-027

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 C5462-060

Head Gasket, MLS, 4.410 in. Bore, .060 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Each

Part Number: CGT-C5462-060

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