1985 GMC Gaskets & Seals

Cometic Street Pro Top-End Gasket Kits PRO1005T-4320-040

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985

Part Number: CGT-S0001

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 C5402-092

Cometic MLS Head Gaskets C5402-092

Head Gasket, MLS, 4.160 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-092

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 Armor Clad Exhaust Gaskets C5549-064

Gasket, Manifold, Exhaust, Chevy, Small Block, Pair

Part Number: CGT-C5549-064

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 C5406-040

Head Gaskets, 4.135 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5406-040

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 Header and Exhaust Manifold Gaskets C15603-064

.064" AM EXH GASKET 1.78X1.70

Part Number: CGT-C15603-064

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 Intake Manifold Gaskets C5289

.060" KF 1.28" X 2.09" 10 PACK

Part Number: CGT-C5289

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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 C5410-027

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

Part Number: CGT-C5410-027

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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 Armor Clad Exhaust Gaskets C5422-064

Gasket, Manifold, Exhaust, Brodix GB 2000, Chevy, Small Block, Each

Part Number: CGT-C5422-064

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 CFM-20 Intake Gaskets C5416-059

Gasket, Manifold, Intake, Aramid Fiber, 0.059 in. Thick, Brodix Street, Chevy, Small Block, Each

Part Number: CGT-C5416-059

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 C5403-120

Head Gasket, MLS, 4.200 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-120

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 Intake Manifold Gaskets C15580-060

1.28"X2.09" PORT .060" FIBER

Part Number: CGT-C15580-060

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 Intake Manifold Gaskets C15320

2.16" X 1.85" OVAL PORT .060"

Part Number: CGT-C15320

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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 Header and Exhaust Manifold Gaskets C5152

.043" COPPER EXH. 396-454ci

Part Number: CGT-C5152

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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 Header and Exhaust Manifold Gaskets C15190AM

.064" AM EXHAUST GASKET

Part Number: CGT-C15190AM

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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 C15413-043

Copper Head Gasket, .043C COPPER HEAD GSKT ROUND, GM/ CHEVY BIG BLOCK MK4 4.32-in. Bore

Part Number: CGT-C15413-043

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 C15415-043

Copper Head Gasket, .043c COPPER HEAD GSKT POCKETD, GM/ CHEVY BIG BLOCK MK4 4.63-in.Bore

Part Number: CGT-C15415-043

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 C15513-040

.040" MLS 396,402,427,454 H/G

Part Number: CGT-C15513-040

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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 Intake Manifold Gaskets C5544-043

.043" CFM-20

Part Number: CGT-C5544-043

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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 C5433-070

.042-IN. MLS 396,402,427,454

Part Number: CGT-C5433-070

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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 AFM Intake Gaskets C5528-031

Gasket, Manifold, Intake, 0.031 in. Thick, Chevrolet, Small Block, Pair

Part Number: CGT-C5528-031

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 C5410-040

Head Gasket, MLS, 4.165 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5410-040

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 Water Neck Gaskets and O-Rings C5538AFM

.060" AFM W/SLOTTED BOLTS

Part Number: CGT-C5538AFM

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 Intake Manifold Gaskets C5528-094

1.280"X2.17" PORT .094" FIBER

Part Number: CGT-C5528-094

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 C5410-051

Head Gasket, MLS, 4.165 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5410-051

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 Oil Pan Gaskets C5344-060

RAILS - AFM

Part Number: CGT-C5344-060

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