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Cometic C5399-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 060

(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

Part Number

C5399-060
Sale Price

$127.58

Estimated ship date Friday, November 20

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Product Details

The Cometic C5399-060 is a premium multi-layer steel (MLS) cylinder head gasket designed specifically for Chevrolet Generation 1 Small Block V8 engines. This high-performance gasket features a .060" compressed thickness and is engineered for 4.030" bore applications, making it ideal for performance builds and engine rebuilds.

Key Features:

  • Multi-layer steel construction for superior sealing and durability under high-performance conditions
  • .060" compressed thickness provides excellent sealing with deck surface imperfections
  • 4.030" bore size accommodates standard and slightly overbored small block Chevrolet engines
  • Undersized water ports allow for custom port matching and optimization for aftermarket cylinder heads
  • Compatible with Gen-1 Small Block Chevy V8 engines including 265, 283, 302, 327, 350, and 400 cubic inch variants
  • Designed specifically for use with aftermarket performance cylinder heads

Cometic's MLS gaskets utilize multiple layers of stainless steel with a Viton rubber coating, providing exceptional recovery and sealing characteristics. The undersized water ports give engine builders the flexibility to customize coolant flow to match specific cylinder head configurations, ensuring optimal cooling performance in high-output applications.

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

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Great price. Minor problems with shipping because of UPS (dropped box and broke part, late delivery). Autoplicity sending me out replacement part.

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