C5434-140 Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Cylinder Head Gasket

Name: C5434-140 Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Cylinder Head Gasket
Brand: COMETIC GASKETS
SKU: 245-C5434-140
Price: 235.73 USD
Availability: InStock

^$235⁷³

Ships on 09/16/2026

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Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Cylinder Head Gasket

Cometic Gaskets C5434-140 Features:

Chevrolet Mark-IV
GM Gen-V/VI Big Block V8 .140 in. MLS Cylinder Head Gasket
4.630 in. Bore
For Aftermarket Heads - Undersized Water Ports to Allow for Customization

Part TypeHead Gasket

BrandCOMETIC GASKETS

Package Height0.24

Package Width9.75

Package Length24.0

Weight2.0 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberC5434-140

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

C5434-140 Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Cylinder Head Gasket

Cometic Gaskets C5434-140 Features:

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