GMC 2500 SERIES Gaskets & Seals

Cometic MLS Head Gaskets C5269-051

Cometic MLS Head Gaskets C5269-051

Head Gasket, MLS, 4.060 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-051

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5273-045

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

Part Number: CGT-C5273-045

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic Timing Cover Gaskets CP15615

Chevy Gen-1 Small Block V8 Timing Cover Gasket .031" Fiber, 10 Pack

Part Number: CGT-CP15615

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5407-045

Head Gasket, MLS, 4.160 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5407-045

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

SCE MLS Spartan Head Gaskets M111039

Head Gasket, MLS Sparten, Multi-Layer Stainless Steel, 4.103 in. Bore, 0.039 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M111039

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

SCE MLS Spartan Head Gaskets M111339

Head Gasket, MLS Sparten, With Steam Holes, Multi-Layer Stainless Steel, 4.134 in. Bore, 0.039 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M111339

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Cometic MLS Head Gaskets C5273-040

Head Gasket, MLS, 4.200 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-040

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic MLS Head Gaskets C5474-030

Head Gasket, MLS, 4.080 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-030

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic Head Gaskets C5273-032

Head Gasket, MLS, 4.200 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-032

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5269-036

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-036

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5270-027

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-027

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5270-040

Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-040

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic MLS Head Gaskets C5272-027

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

Part Number: CGT-C5272-027

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5273-036

Head Gasket, MLS, 4.200 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-036

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic AFM Intake Gaskets C5541-125

Intake Manifold Gaskets, Aramid Fiber, 0.125 in. Thick, 18 degree, Chevy, Small Block, Pair

Part Number: CGT-C5541-125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic Rear Main Seals C5085

2PC SILICONE 1955-1986

Part Number: CGT-C5085

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic MLS Head Gaskets C5407-040

Head Gaskets, 4.160 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5407-040

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5400-027

Head Gasket, MLS, 4.125 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5400-027

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5400-036

Head Gasket, MLS, 4.125 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5400-036

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Cometic MLS Head Gaskets C5402-030

Head Gasket, MLS, 4.160 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-030

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic MLS Head Gaskets C5408-027

Head Gasket, MLS, 4.200 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5408-027

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic MLS Head Gaskets C5954-040

Engine Cylinder Head Gasket

Part Number: CGT-C5954-040

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Proform Valve Cover Gaskets 66735

Valve Cover Gaskets, Neoprene, Chevy, Small Block, Use with Proform 2-Piece Valve Covers, Pair

Part Number: PRO-66735

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

SCE AccuSeal Pro Intake Gaskets 211123

Intake Manifold Gaskets, AccuSeal Pro, Composite, Rectangular Port, Designed for RHS Pro Action 23 degree Cylinder Heads, Chevy, Small Block, Pair

Part Number: SCE-211123

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

SCE Pro Copper Head Gaskets P111532NW

Head Gasket, Copper, 4.155 in. Bore, 0.032 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111532NW

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air