CHEVROLET K20 Gaskets & Seals

Cometic Engine Gasket Sets PRO1003T-4060-040

Chevrolet Gen-1 Small Block V8 Top End Gasket Kit, 4.060" Bore, .040" MLS Cylinder Head Gasket, With Carburetor

Part Number: CGT-S0056

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Timing Cover Gaskets C5650

Cometic Timing Cover Gaskets C5650

Gaskets, Timing Cover, Fiber, Chevy, Big Block, Each

Part Number: CGT-C5650

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Timing Cover Gaskets C5345F

ALL BIG BLOCKS W/WP GASKETS

Part Number: CGT-C5345F

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Valve Cover Gaskets C5537-094

Valve Cover Gaskets, Aramid Fiber, .094 in. Thickness, Chevy, Small Block, 18 Degree/Brodix 12 Degree, Each

Part Number: CGT-C5537-094

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5271-066

Head Gasket, MLS, 4.125 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-066

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5273-070

Head Gasket, MLS, 4.200 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-070

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4375-051

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.375" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0064

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Engine Gasket Sets PRO1003T-4200-040

Chevrolet 400 Gen-1 Small Block V8 Top End Gasket Kit, 4.200" Bore, .040" MLS Cylinder Head Gasket, With Carburetor, With All Steam Holes

Part Number: CGT-S0059

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5408-030

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

Part Number: CGT-C5408-030

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5273-120

Head Gasket, MLS, 4.200 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-120

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Valve Cover Gaskets C5537-125

Valve Cover Gaskets, Aramid Fiber, .125 in. Thickness, Chevy, Small Block, 18 Degree/Brodix 12 Degree, Each

Part Number: CGT-C5537-125

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Header and Exhaust Manifold Gaskets C5084-030

.030" MLS EXHAUST GASKETS

Part Number: CGT-C5084-030

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4560-040

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.560" Bore, .040" MLS Cylinder Head Gasket

Part Number: CGT-S0065

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Header and Exhaust Manifold Gaskets C5893AM

.064" AM EXHAUST GASKETS

Part Number: CGT-C5893AM

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Header and Exhaust Manifold Gaskets C15190C

.043" COPPER EXHAUST GASKET

Part Number: CGT-C15190C

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C15321

2.50" X 1.75" RECT PORT .060"

Part Number: CGT-C15321

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Exhaust Gaskets C5928-030

Gasket, Manifold, Exhaust, Brodix. Chevy, Small Block, Pair

Part Number: CGT-C5928-030

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C15204

.060" HTS GASKET SET 2.13X1.25

Part Number: CGT-C15204

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Armor Clad Exhaust Gaskets C5548-064

Gasket, Manifold, Exhaust, Chevy, Small Block, Pair

Part Number: CGT-C5548-064

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C5542-020

INTAKE MANIFOLD GASKETS, INTAKE GASKET PR.

Part Number: CGT-C5542-020

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C5542-060

1.240"X2.10" PORT .060" FIBER

Part Number: CGT-C5542-060

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C5542-188

1.240"X2.10" PORT .188" FIBER

Part Number: CGT-C5542-188

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Intake Manifold Gaskets C15322

2.31" X 1.31" RECT PORT .060"

Part Number: CGT-C15322

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic Header and Exhaust Manifold Gaskets C5549HTS

.060" HTS 1.500" ROUND PORT

Part Number: CGT-C5549HTS

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Cometic MLS Head Gaskets C5407-036

.036" MLS- BD2000 HEADS

Part Number: CGT-C5407-036

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today