GMC Cometic Engine Gaskets & Seals

Head Gasket, MLS, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-040

5.0 out of 5 stars ( 1 )

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Head Gasket, 3.910 in. Bore, .027 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-027

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.023" MLS 396,402,427,454

Part Number: CGT-C5331-023

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Head Gasket, MLS, 4.060 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-056

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Head Gasket, MLS, 4.060 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-023

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Chevrolet 350 Gen-1 Small Block V8 Top End Gasket Kit, 4.020" Bore, .040" MLS Cylinder Head Gasket, With Carburetor

Part Number: CGT-PRO1003T4020

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Estimated Ship Date: Jan 15, 2026 if ordered today

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

Part Number: CGT-C5434-045

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Engine Gasket Set, Street Pro, Top-end set, 3.875 in. Bore, .058 in. Thick MLX Cylinder Head Gasket, GM, L83, Kit

Part Number: CGT-PRO1050T

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.066" MLS-5 HEAD GASKET

Part Number: CGT-C5477-066

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Head Gasket, Multi-Layer Steel, 4.200 in. Bore, 0.027 in. Compressed Thickness, Chevy, 302, 327, 350, 400

Part Number: CGT-C5403-027

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Head Gasket, MLS, 4.375 in. Bore, .066 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5329-066

5.0 out of 5 stars ( 1 )

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Head Gasket, MLS, 4.165 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5272-030

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Head Gasket, MLS, 4.030 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5404-040

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Head Gasket, MLS, 4.165 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5272-027

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Estimated Ship Date: Jan 16, 2026 if ordered today

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.050" MLS-5 ALL 12-23 DEG HEAD

Part Number: CGT-C5403-050

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Head Gasket, Multi-Layer Steel, 4.125 in. Bore, 0.027 in. Thick, Oldsmobile, Each

Part Number: CGT-C5808-027

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.270 in. Bore, .051 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5811-051

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Head Gasket, MLS, 4.630 in. Bore, .065 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-065

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Rear Main Seals, Single Split Seal, 1-Piece, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Each

Part Number: CGT-C15560

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Valve Stem Seals, Positive Stop, 0.492 in. Guide, 0.616 in. Valve Stem, Blue Seal, Metal Jacket Style Seals, Set of 16

Part Number: CGT-3516P-16

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

BOTTOM END GSK KIT *NOTES, GM LS V8 4.8/5.3/5.7/6.0/6.2L

Part Number: CGT-PRO1036B

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Estimated Ship Date: Jan 15, 2026 if ordered today

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.030" MLS HEAD GASKET

Part Number: CGT-C5741-030

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Head Gasket, MLS, 4.375 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-086

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Head Gasket, MLS, Marine, 4.350 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5765-040

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Head Gasket, MLX, 4.040 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-066

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Estimated Ship Date: Jan 19, 2026 if ordered today

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