GMC Cometic Engine Gaskets & Seals

Head Gasket, MLS, 4.135 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5401-070

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Head Gasket, MLS, 4.160 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-066

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

Part Number: CGT-C5403-050

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Estimated Ship Date: Apr 8, 2026 if ordered today

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HEAD GASKET

Part Number: CGT-C15361-060

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.062" MLX HEAD GASKET

Part Number: CGT-C5786-062

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Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.100 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-060

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Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5739-045

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.375 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-032

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.320 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5817-036

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.036" MLS 396,402,427,454

Part Number: CGT-C5332-036

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Head Gasket, MLS, 4.270 in. Bore, .027 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5811-027

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GM L86 Gen-5 Small Block V8 Top End Gasket Kit, 4.100" Bore, .051" MLX Cylinder Head Gasket

Part Number: CGT-PRO1051T

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Water Neck Gasket, Aramid Fiber, Chevy, Small Block, Each

Part Number: CGT-C5538-047

5.0 out of 5 stars ( 2 )

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040 MLS 4.60" BORE HEAD GASKET

Part Number: CGT-C5492

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.570 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5433-045

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Head Gasket, MLS, 4.540 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330-092

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Estimated Ship Date: Apr 8, 2026 if ordered today

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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: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5882-051

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Head Gasket, MLS, 4.200 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-045

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Engine Cylinder Head Gasket

Part Number: CGT-C5411-040

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-027

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Estimated Ship Date: Apr 8, 2026 if ordered today

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Engine Cylinder Head Gasket

Part Number: CGT-C5476-040

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Head Gasket, MLS, 3.910 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5475-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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.036" MLS W/VALVE POCKETS

Part Number: CGT-C5411-036

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Estimated Ship Date: Apr 8, 2026 if ordered today

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