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Cometic C5434-070 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

(Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1965-76, Malibu 1965-67, 1973-75, C1500 1990, Chevelle 1965-73, Blazer 1973-74 + 96 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C5434-070
6 reviews
Sale Price

$138.66

Estimated ship date Tuesday, November 24

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Fitment guaranteed

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Product Details

The Cometic C5434-070 is a premium multi-layer steel (MLS) cylinder head gasket engineered for Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines. This performance gasket features a .070" compressed thickness and is designed for a 4.630" bore diameter, making it ideal for custom engine builds and high-performance applications.

Key Features:

  • Multi-layer steel construction for superior sealing and durability under extreme conditions
  • .070" compressed thickness provides precise compression control
  • 4.630" bore diameter accommodates standard and modified big block configurations
  • Undersized water ports allow for custom port matching and optimization
  • Designed specifically for aftermarket cylinder heads
  • Compatible with Chevrolet Mark-IV, GM Gen-V, and Gen-VI big block V8 engines

Cometic's MLS gaskets utilize multiple layers of stainless steel with proprietary coatings to provide maximum sealing performance in both stock and high-horsepower applications. The undersized water port design gives engine builders the flexibility to customize port sizing and placement for optimal coolant flow in their specific application.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1965-76, Malibu 1965-67, 1973-75, C1500 1990, Chevelle 1965-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1966-76, C10 1975-80, El Camino 1966-75, Monte Carlo 1970-75, Nova 1969-72 + 90 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Great prices and fast shipping!

Lightning fast service! Good prices.

Great prices and great products. When it was received, the merchandise was correct and packed well. Thanks, will be ordering oil from this buyer from now on. (order #5647)

my experience was great and easy !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Very good prices and good shipping prices. found my parts cheaper then any place else. Thanks to Autoplicity for filling my order #8498 of 4/02/12 quickly and accurately. I will be back.

Easy to use website. The belts I ordered didn't have a picture but I knwew what I was looking for.

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