CHEVROLET K20 Gaskets & Seals

Cometic MLS Head Gaskets C5273-040

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

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Cometic MLS Head Gaskets C5474-030

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

Part Number: CGT-C5474-030

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Cometic MLS Head Gaskets C5270-040

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

Part Number: CGT-C5270-040

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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 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Cometic MLS Head Gaskets C5273-027

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

Part Number: CGT-C5273-027

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 C5273-036

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

Part Number: CGT-C5273-036

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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 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: Today

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Proform Valve Cover Gaskets 66735

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

Part Number: PRO-66735

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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 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 13, 2026 if ordered today

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

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Estimated Ship Date: Jul 13, 2026 if ordered today

SCE Pro Copper Head Gaskets P110050

Head Gaskets, Pro Copper, 4.010 in. Bore, Copper, 0.050 in. Compressed Thickness, O-ring of the Block or Heads Is Required, Chevy, Small Block, Each

Part Number: SCE-P110050

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

Cometic MLS Head Gaskets C5954-040

Engine Cylinder Head Gasket

Part Number: CGT-C5954-040

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 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 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 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

Not Yet Reviewed

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SCE Pro Copper Head Gaskets P131543

HEAD GASKET, PRO COPPER,CHEVROLET BB MK4 4.155 X .043 PRO COPPER HD GSKT

Part Number: SCE-P131543

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

Fel-Pro Engine Gasket Kits FS 8510 PT

Gaskets, Full Set, Buick, Checker, Chevy, GMC, Oldsmobile, Pontiac, Chevy 262, 305, V8, Set

Part Number: FEL-FS8510PT

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

Need It Sooner? We recommend these similar substitute parts:

Fel-Pro Engine Gasket Kits 260-1023

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

SCE MLS Spartan Head Gaskets M135451

Head Gasket BIG BLOCK CHEV MK4 4.540"X .051" MLS SPARTAN HD GASKET EA

Part Number: SCE-M135451

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Pioneer Automatic Transmission Tailhousing Gaskets 749289

Gasket, Automatic Transmission Tailhousing, Black Fiber, Bentley, Buick, Cadillac, Checker, Chevy, Dodge, Ford, GMC, Jaguar, Jeep, Plymouth, Each

Part Number: PIO-749289

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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

Not Yet Reviewed

Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

SCE AccuSeal E Oil Pan Gaskets 117090

Oil Pan Gasket, 4.3L V6, Accuseal, Each

Part Number: SCE-117090

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

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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Cometic Street Pro Top-End Gasket Kits PRO1003T

Gasket, Top-End Set, Chevy, 350, 400, Kit

Part Number: CGT-PRO1003T

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic Specialty Intake Gaskets C15178FC

Intake Manifold Gasket

Part Number: CGT-C15178FC

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Cometic HTG Exhaust Manifold Gaskets C5893HTG

Exhaust Header Gasket

Part Number: CGT-C5893HTG

Not Yet Reviewed

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