1986 GMC Gaskets & Seals

Cometic Head Gaskets C5399-070

.032-IN. MLS VALVE POCKETED BORES

Part Number: CGT-C5399-070

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5401-030

Cometic MLS Head Gaskets C5401-030

Head Gasket, MLS, 4.135 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5401-030

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLX Head Gaskets C5551-048

Head Gasket, MLX, 4.220 in. Bore, .048 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5551-048

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic Head Gaskets C5270-066

Head Gasket, MLS, 4.100 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-066

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5248-140

Head Gasket, MLS, 4.165 in. Bore, .140 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-140

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5402-080

Head Gasket, MLS, 4.160 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-080

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic Head Gaskets C5272-070

.070" MLS VALVE POCKETED BORES

Part Number: CGT-C5272-070

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5401-045

Head Gasket, MLS, 4.135 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5401-045

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5404-045

.045" MLS- BD2000 HEADS

Part Number: CGT-C5404-045

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic Head Gaskets C5428-188

BIG BRODIE RECTANGLE PORT HEAD

Part Number: CGT-C5428-188

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5740-051

Head Gasket, MLS, 4.120 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5740-051

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5270-080

Head Gasket, MLS, 4.100 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-080

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Enginetech Engine Valve Stem Oil Seals S305V-20

Engine Valve Stem Oil Seal 67-02 AMC/BUI/CAD/CHV/FRD/GM/GMC/JEP/LIN/MER/MKR/OLD/PON

Part Number: EGN-S305V-20

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

SCE Titan Copper Head Gaskets T133232

Head Gaskets, Titan, Copper, 4.320 in. Bore, .032 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: SCE-T133232

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

SCE Pro Copper Head Gaskets P133250

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Estimated Ship Date: Today

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SCE AccuSeal E Intake Gaskets 13100-10

Intake Manifold Gaskets, AccuSeal E, Composite, Cut To Fit Port, Chevrolet, Big Block Mark IV, Set of 20

Part Number: SCE-13100-10

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

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Estimated Ship Date: Jun 9, 2026 if ordered today

Remflex Exhaust Header Gasket Sets 2060

Header Gasket, Graphite, Dart Little Chief, GM, Small Block, V8, Pair

Part Number: RFL-2060

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

Cometic MLS Head Gaskets C5741-045

Head Gasket, MLS, 4.155 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5741-045

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic Head Gaskets C5741-080

HEAD GASKET

Part Number: CGT-C5741-080

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5330-056

Head Gasket, MLS, 4.540 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330-056

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5330-036

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

Part Number: CGT-C5330-036

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Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5246-084

Head Gasket, MLS, 4.100 in. Bore, .084 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-084

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic Head Gaskets C5249-062

.044-IN. MLX 5 LAYER HEAD GASKET

Part Number: CGT-C5249-062

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5271-051

Head Gasket, MLS, 4.125 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-051

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5816-140

Head Gasket, MLS, 4.320 in. Bore, .140 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5816-140

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5269-077

Head Gasket, MLS, 4.060 in. Bore, .077 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-077

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today