1981 GMC Engine Gaskets & Seals Gaskets & Seals

Cometic MLS Head Gaskets C5270-027

Cometic MLS Head Gaskets C5270-027

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

Part Number: CGT-C5270-027

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Cometic MLS Head Gaskets C5400-027

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

Part Number: CGT-C5400-027

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 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

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Cometic MLS Head Gaskets C5411-040

Engine Cylinder Head Gasket

Part Number: CGT-C5411-040

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Cometic Head Gaskets C15604-040

Chevrolet Gen-1 Small Block V8 .040" MLS Cylinder Head Gasket, 4.080" Bore, 18/23 Degree Head, With Valve Pockets

Part Number: CGT-C15604-040

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Cometic MLS Head Gaskets C5408-027

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

Part Number: CGT-C5408-027

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Cometic MLS Head Gaskets C5400-036

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

Part Number: CGT-C5400-036

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Cometic Head Gaskets C15512-040

.040" MLS 18 OR 23 DEG H/G

Part Number: CGT-C15512-040

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Cometic MLS Head Gaskets C5413-040

Engine Cylinder Head Gasket

Part Number: CGT-C5413-040

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Enginetech Rear Main Seals S0010

Engine Crankshaft Seal 59-02 BUI/CAD/CHV/GM/GMC/OLD/PON 3.3L/3.8L/4.1L/4.3L/4.4L/4.6L/4.8L/4.9L/5.0L/5.3L/5.7L/6.6L

Part Number: EGN-S0010

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Estimated Ship Date: Dec 8, 2026 if ordered today

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Estimated Ship Date: Dec 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

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Cometic MLS Head Gaskets C5954-040

Engine Cylinder Head Gasket

Part Number: CGT-C5954-040

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SCE Pro Copper Head Gaskets P135243NW

Head Gasket, Copper, 4.520 in. Bore, 0.043 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135243NW

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Estimated Ship Date: Dec 28, 2026 if ordered today

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Estimated Ship Date: Dec 28, 2026 if ordered today

Mr. Gasket Head Gaskets 5799G

Head Gasket; Ultra Seal; Head Gasket; Flexible Graphite Core; Elastomer Coated; 4.130 in. Gasket Bore; 0.055 i

Part Number: MRG-5799G

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Estimated Ship Date: Dec 3, 2026 if ordered today

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Estimated Ship Date: Dec 3, 2026 if ordered today

SCE AccuSeal Pro Valley Cover Gaskets 211121

Valley Pan Gaskets, Pro Action/RHS 14 Degree Heads, Chevrolet, Small Block, Pair

Part Number: SCE-211121

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SCE MLS Spartan Head Gaskets M136339

Head Gaskets, MLS Spartan, 4.630 in. Bore, Multi-layer Stainless Steel, 0.039 in. Compressed Thickness, Chevrolet, Chevy Big Block, Each

Part Number: SCE-M136339

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Estimated Ship Date: Dec 28, 2026 if ordered today

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Estimated Ship Date: Dec 28, 2026 if ordered today

Cometic Water Neck Gaskets C5346-047

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

Part Number: CGT-C5346-047

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

SCE MLS Spartan Head Gaskets M112139

Head Gaskets, MLS Spartan, 4.200 in. Bore, Multi-layer Stainless Steel, 0.039 in. Compressed Thickness, Chevrolet, Chevy Small Block, Each

Part Number: SCE-M112139

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Estimated Ship Date: Dec 28, 2026 if ordered today

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Estimated Ship Date: Dec 28, 2026 if ordered today

SCE Pro Copper Head Gaskets P110643

Head Gasket, Copper, 4.060 in. Bore, 0.043 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110643

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SCE Pro Copper Head Gaskets P111543NW

Head Gasket, Copper, 4.155 in. Bore, 0.043 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111543NW

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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

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Estimated Ship Date: Dec 23, 2026 if ordered today

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Estimated Ship Date: Dec 23, 2026 if ordered today

SCE Pro Copper Head Gaskets P110632

Head Gasket, Copper, 4.060 in. Bore, 0.032 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110632

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Cometic Intake Manifold Gaskets C15322

2.31" X 1.31" RECT PORT .060"

Part Number: CGT-C15322

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Cometic Intake Manifold Gaskets C15319-125

2.10" X 1.31" PORT .125"

Part Number: CGT-C15319-125

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Estimated Ship Date: Mar 15, 2027 if ordered today

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Estimated Ship Date: Mar 15, 2027 if ordered today

Cometic Timing Cover Seals C5377

Engine Timing Cover Seal

Part Number: CGT-C5377

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