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Cometic C5404-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 040 V8

(GMC G2500 1979-86, K1500 1979-86, C1500 1979-86, K2500 1979-86, Jimmy 1970-86, C3500 1979-86, K2500 Suburban 1979-86, K3500 1979-86 + 168 more models)

Manufacturer

Picture for manufacturer Cometic

Part Number

C5404-040
8 reviews
Sale Price

$95.07

Estimated ship date Sunday, November 22

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Product Details

The Cometic C5404-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This precision-manufactured gasket features a .040" compressed thickness and is designed for a 4.030" bore diameter, making it ideal for performance builds and engine rebuilds.

Key Features:

  • Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
  • .040" compressed gasket thickness for precise compression ratio tuning
  • 4.030" bore diameter designed specifically for Brodix BD2000 cylinder heads
  • Compatible with Chevrolet Gen-1 Small Block V8 engines (265, 283, 302, 327, 350, 400)
  • Cometic's proprietary coating ensures optimal sealing between dissimilar materials
  • Eliminates the need for additional sealants when surfaces are properly prepared

Cometic MLS gaskets are the choice of professional engine builders and racers worldwide. The multiple layers of stainless steel with elastomeric coatings accommodate minor surface imperfections while maintaining superior combustion sealing. This gasket is specifically engineered for use with Brodix BD2000 aftermarket cylinder heads, ensuring proper port alignment and coolant passage sealing.

Products specifications

Fits

GMC G2500 1979-86, K1500 1979-86, C1500 1979-86, K2500 1979-86, Jimmy 1970-86, C3500 1979-86, K2500 Suburban 1979-86, K3500 1979-86, C15/C1500 Pickup 1967-74, C2500 1979-86, K1500 Suburban 1979-86, G25/G2500 Van 1967-74 + 164 more models

Prop 65

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

Material

Multi-layer Steel

You can tell customer service is important to this company. Not only were the prices lower than other places but they communicate the status of the order and shipping very well. They obviously care what people think. I was suspicious of all the positive comments but decide to try them anyways. Very happy I did and definitely plan on buying from them again.

Easy!

This company offers profesional service at a very competitive price. The header collectors i ordered were not available at the big speed outlets. The fast shipping was also a plus. I would recomend Autoplicity to anyone who needs parts in a hurry !

Great price for the item, almost half off. Good website for auto parts

Your site is great Awesome selection and great items. Thanks for free shipping!!

Easy to use web site. Quickly found what I needed. Smooth check out and SUPER FAST delivery. Couldn't ask for a better transaction experience. Bookmarked and for sure "GO TO" for next auto parts search. Thanks Autoplicity

Great exchange. Received product as described and in a timely manner. Thanks! Will Do business again

I am impressed with they mail order service. Recommended.

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