Cometic Engine Gaskets

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.300" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0062

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.375" Bore, .027" MLS Cylinder Head Gasket

Part Number: CGT-S0063

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Estimated Ship Date: Apr 1, 2026 if ordered today

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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: Apr 1, 2026 if ordered today

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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: Apr 1, 2026 if ordered today

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Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.630" Bore, .045" MLS Cylinder Head Gasket

Part Number: CGT-S0067

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.630" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0068

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Chevrolet 366 Mark-IV Big Block V8 Top End Gasket Kit, 4.000" Bore, .040" MLS Cylinder Head Gasket

Part Number: CGT-S0061

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Exhaust Gaskets, Header, Round Port, Chevy, Big Block, Each

Part Number: CGT-EX157SPB030S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gasket, Manifold, Intake, Chevy, Big Block, Pair

Part Number: CGT-C5821-051

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Gasket, Manifold, Exhaust, Chevy, Big Block, Pair

Part Number: CGT-C5820-051

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Estimated Ship Date: Apr 3, 2026 if ordered today

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MLS Manifold Set, .030-in. MLS EXH MANIFOLD SET , MERC MARINE 525/352 EFI

Part Number: CGT-C15364-030

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Head Gasket, Multi-layer Steel, 4.630 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-051

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .060 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: CGT-C5248-027

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Head Gasket, MLX, Multi-Layer Stainless Steel, 4.560 in. Bore, 0.040 in. Compressed Thickness, Chevrolet, GMC, Chevy Big Block, Each

Part Number: CGT-C15561-040

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Head Gasket, MLS, 4.165 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-051

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.030 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-030

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Estimated Ship Date: Today

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .080 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-080

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Head Gasket, MLS, 4.030 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-027

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .045 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-045

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Estimated Ship Date: Today

Head Gasket, MLS, 4.165 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Head Gasket, MLS, 4.200 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-060

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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: Today

Head Gasket, MLS, 4.540 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.375 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-027

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Estimated Ship Date: Today