CHEVROLET G20 Gaskets & Seals

Cometic Engine Gasket Sets PRO1003T-400-040

Chevrolet Gen-1 Small Block V8 Top End Gasket Kit, 4.000" Bore, .040" MLS Cylinder Head Gasket, With Carburetor

Part Number: CGT-S0054

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Header and Exhaust Manifold Gaskets C15190HTS

Exhaust Header Gasket

Part Number: CGT-C15190HTS

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5405-040

Cometic MLS Head Gaskets C5405-040

Head Gaskets, 4.125 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5405-040

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5528

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.280" X 2.170" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5528

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5544

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.240" X 1.970" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5544

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 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

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

SCE Pro Copper Head Gaskets P133250

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Cometic Head Gaskets C5432-098

Cylinder Head Gasket , .098" MLS-5 4.31" BORE H/G , BRODIX CHEVY BIG DUKE/BRODIE

Part Number: CGT-C5432-098

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Head Gaskets C5414-031

BRODIX TRACK 1,8,10,11 HEADS

Part Number: CGT-C5414-031

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5401-027

Head Gasket, MLS, 4.135 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5401-027

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5403-098

Head Gasket, MLS, 4.200 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-098

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Head Gaskets C5400-080

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

Part Number: CGT-C5400-080

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLX Head Gaskets C5786-044

.044" MLX HEAD GASKET

Part Number: CGT-C5786-044

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5699-045

Head Gaskets, MLS, 4.125 in. Bore, Multi-layer Stainless Steel, 0.045 in. Compressed Thickness, Chevrolet, 3.2L, 3.8L, 4.1L, 4.8L, Each

Part Number: CGT-C5699-045

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 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 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5699-060

.060" MLS-5 4.125" BORE HG

Part Number: CGT-C5699-060

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5407-027

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

Part Number: CGT-C5407-027

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Head Gaskets C5426-043

BRODIX WP247 HEAD .043" CFM

Part Number: CGT-C5426-043

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic MLS Head Gaskets C5401-030

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

Part Number: CGT-C5401-030

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Head Gaskets C5269-075

Head Gasket, MLS, 4.060 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-075

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

SCE MLS Spartan Head Gaskets M111351

Head Gasket, MLS Sparten, With Steam Holes, Multi-Layer Stainless Steel, 4.134 in. Bore, 0.051 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M111351

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

Cometic Valve Cover Gaskets C15460

Valve Cover Gasket

Part Number: CGT-C15460

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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

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

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Fel-Pro Intake Manifold Gaskets MS 93040

Intake Manifold Gaskets, Replacement, Stock Port Style, Chevrolet, GMC, Pontiac, 4.3L, Set

Part Number: FEL-MS93040

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Fel-Pro EGR Gaskets 71098

EGR Gasket, American Motors, Buick, Cadillac, Checker, Chevy, Eagle, Excalibur, GMC, Jeep, for Nissan, Oldsmobile, Peugeot, Pontiac, Renault, Each

Part Number: FEL-71098

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Fel-Pro Performance Carburetor Mounting Gaskets 60250

Carburetor Mounting Gasket

Part Number: FEL-60250

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today