Automotive Gaskets & Seals at Summit Racing

Dart Valve Stem Seals 26000025

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

Part Number: DRT-26000025

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 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 C5460-027

Head Gasket, MLS, 4.350 in. Bore, .027 in. Compressed Thickness, Chrysler, Dodge, Plymouth, Each

Part Number: CGT-C5460-027

4.75 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 C5515-030

Head Gasket, MLS, 4.155 in. Bore, .030 in. Compressed Thickness, Ford, 289, 302, 351W, Each

Part Number: CGT-C5515-030

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 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 C5692-040

Head Gaskets, 4.020 in. Bore, .040 in. Compressed Thickness, GM, V6, Each

Part Number: CGT-C5692-040

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 C5246-027

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

Part Number: CGT-C5246-027

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 SS45403

Engine Valve Stem Oil Seals, Valve Stem Seals, Positive Stop, Nitrile Rubber, Buick, Checker, Chrysler, Dodge, Jeep, Plymouth, Pontiac, Set of 8

Part Number: MAH-SS45403

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 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

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 C5512-080

Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5512-080

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

Cometic MLS Head Gaskets C5247-023

Head Gasket, MLS, Multi-layer Steel, 4.125 in. Bore, 0.023 in. Compressed Thickness, Round Bore Style, Buick, Chevy, GMC, Chevy Small Block, Each

Part Number: CGT-C5247-023

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 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

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

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

Manley Viton® Valve Stem Seals 24040-8

Valve Stem Seals, Viton®, Positive Stop, .420 in. Guide, 5/16 in. Valve Stem, Set of 8

Part Number: MAN-24040-8

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 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 C5249-045

Head Gasket, MLS, 4.200 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-045

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

Howards Cams Ultimate Duty Valve Seals 93311

Valve Stem Seals, Positive Stop, 11/32 in. Valve Stem, .500 in. Guide Diameter, .630 in. O.D., Set of 16

Part Number: HRS-93311

4.78 out of 5 stars ( 9 )

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 C5248-080

Head Gasket, MLS, 4.165 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-080

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 C15535-040

Head Gasket, MLS, 4.040 in. Bore, .040 in. Compressed Thickness, Dodge, Magnum V8, Each

Part Number: CGT-C15535-040

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 C5246-051

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-051

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 C5432-027

Head Gasket, MLS, 4.310 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-027

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