GMC Cometic Engine Gaskets & Seals

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: May 27, 2026 if ordered today

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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

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Estimated Ship Date: May 27, 2026 if ordered today

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

Part Number: CGT-S0056

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16PK POLY METAL JACKET

Part Number: CGT-3516PB-16

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.031" FIBER

Part Number: CGT-C5544-031

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Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.240" X 2.100" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5542

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Estimated Ship Date: May 27, 2026 if ordered today

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Chevy Gen-4 Big Block V8 Intake Manifold Gasket .060" Fiber, 1.750" X 2.500" Rectangular Port, 20 Pack

Part Number: CGT-CP5649

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GM LLY/LBZ Duramax Top End Gasket Kit, 4.100" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0238

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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: May 27, 2026 if ordered today

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

Part Number: CGT-C5271-066

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Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-030

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CFM-20, HEAD GASKET

Part Number: CGT-C5331-081

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Head Gasket, MLS, 4.165 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5410-036

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.066" MLS-5 W/VALVE POCKETS

Part Number: CGT-C5410-066

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Head Gasket, MLS, 4.160 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5407-060

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Head Gasket, MLS, 4.375 in. Bore, .050 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5332-050

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.140 MLS CHEVY 396,402,427,454

Part Number: CGT-C5334-140

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Head Gasket, MLS, 4.190 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-030

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Estimated Ship Date: May 27, 2026 if ordered today

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.023-IN. MLS W/ALL STEAM HOLES

Part Number: CGT-C5331-053

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Head Gasket, MLS, 4.160 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5407-051

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Head Gasket, MLS, 4.375 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-075

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HEAD GASKET

Part Number: CGT-C5402-070

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

Part Number: CGT-C5408-030

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Head Gasket, MLS, 4.540 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5333-036

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Head Gasket, MLS, 4.190 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-060

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