Automotive Gaskets & Seals at Summit Racing

Cometic MLS Head Gaskets C5474-040

Cometic MLS Head Gaskets C5474-040

Head Gasket, MLS, 4.080 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-040

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

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

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 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

Fel-Pro Valve Stem Seals SS 70014

Valve Stem Seals, Umbrella Type, Rubber, Bristol, Checker, Chrysler, Dodge, Plymouth, Jensen, Set of 16

Part Number: FEL-SS70014

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

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 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

Cometic MLS Head Gaskets C5816-030

Head Gasket, Multi-Layer Steel, 4.320 in. Bore, 0.030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5816-030

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

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

Mahle Original Valve Stem Seals SS45390

Valve Stem Seal Ford-Pass, Trk&Ind:292, 330, 332, 352, 359, 360, 361, 389, 390, 391, 406, 410, 427, 428(5

Part Number: MAH-SS45390

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 C5330-030

Head Gasket, MLS, 4.540 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330030

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

Cometic MLS Head Gaskets C5474-036

Head Gasket, MLS, 4.080 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-036

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 C5909-040

Head Gaskets, 4.030 in. Bore, .040 in. Compressed Thickness, Ford, Small Block, Each

Part Number: CGT-C5909-040

3.67 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

Sealed Power Valve Stem Seals MV-1231

Valve Stem Seal

Part Number: SLP-MV-1231

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

Howards Cams Posi-Stop Valve Stem Seals 93380

Valve Seal, 8mm x .500"

Part Number: HRS-93380

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 72823

Valve Stem Seals, Umbrella, Chevrolet, GMC, 6.0/7.0/7.4L, V8, Set of 16

Part Number: FEL-SS72823

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 C15684-040

Chevrolet RaceSaver 305 Sprint V8 .040" MLS Cylinder Head Gasket, 3.800" Bore

Part Number: CGT-C15684-040

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

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 C5475-060

Head Gasket, 3.910 in. Bore, .060 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-060

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 C5936-051

Head Gaskets, 4.185 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5936-051

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