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Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.066in MLS Cyl Head Gasket

SKU: CGSPRO1003T-066

Engine Gasket Sets

CG Head Gaskets...

Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.066in MLS Cyl Head Gasket

SKU: CGSPRO1003T-066

Engine Gasket Sets

CG Head Gaskets...

A$609.05
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Top End Gasket Kit

MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel

Additional Information

Chevrolet 350/400 Gen-1 Small Block V8 Top End Gasket Kit; 4.165in. Bore; .066in. MLS Cylinder Head Gasket; With Carburetor; With All Steam Holes

Application Summary

GM Small Block 350Ci-400ci 1967-88

Part Type

Engine Top End Kit

Product Overview

COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. StreetPro gasket kits are sold as a top-end kits and bottom-end kits. Purchase both top- and bottom-end kits for a total engine rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad.

Additional Application Notes
• Head Gasket Thickness: .066 Head Gasket Material: MLS Head Gasket Bore: 4.165" 0.066 in.
• Head Gasket Thickness: .066 Head Gasket Material: MLS Head Gasket Bore: 4.165 0.066 in.
• Head Gasket Thickness: .066 Head Gasket Material: MLS Head Gasket Bore: 4.165
• 0.066 in.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 18:49:02

Data: v4.2 - Upd: 2026-11-07 21:35:14

Features

  • Conforms load distribution across the sealing area
  • Quality Gasket Materials
  • Requires less clamp load creating less bore distortion
  • The center or shim layer is an uncoated stainless steel layer which can be varied to accommodate multiple thickness requirements
  • The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Chevrolet 350/400 Gen-1 Small Block V8 Top End Gasket Kit
Engine Make/Size:Chevy Small Block 400
Part Number:cgsPRO1003T-066
Title:Cometic Gasket Automotive Chevrolet 350/400 Gen-1 Small Block V8 Top End Gasket Kit, 4.165 in Bore, .066 in MLS Cylinder Head Gasket, With Carburetor, With All Steam Holes

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Cometic Gasket, Cometic, Cometic Gasket Automotive, Cometic Gasket Marine, Cometic Gasket Powersports, COMETIC GASKETS, Cometic Powersport Gaskets
StreetFX SKU cgsPRO1003T-066
SFX Item ID 4168809
Accounting SKU cgs-PRO1003T-066
Manufacturer SKU PRO1003T-066
Manufacturer UPC 191070383121
Alternative References CGT-PRO1003T-066, PRO1003T-066

Domestic Street Pro Kit, Top End Gasket Kit, GM Small Block 350Ci-400ci 1967-88

Cometic Gasket Street Pro top-end gasket kits bring race-proven MLS technology to the budget-minded hot rod guy or gal. The multi-layer steel gasket is their commitment to cutting-edge technology and producing superior-quality gaskets. Street Pro gasket kits are constructed from multiple layers of stainless steel for its strength, along with excellent rebound and corrosion-resistant characteristics. The outer layers are coated with a rubber-based material to create a superior, heat-resistant seal that can withstand extreme cylinder pressures. Cometic gaskets are ideal for everything from aluminum heads to cast iron or aluminum blocks. Street Pro gaskets offer top-end quality that you can afford.

Product Attributes
BrandCometic
Manufacturer's Part NumberPRO1003T-066
Part TypeEngine Gasket Sets
Product LineCometic Street Pro Top-End Gasket Kits
UPC191070383121
Gasket Set TypeHead set
Head Gaskets IncludedYes
Intake Gaskets IncludedYes
Exhaust Manifold Gaskets IncludedYes
Oil Pan Gasket IncludedNo
Valve Cover Gaskets IncludedYes
Water Pump Gaskets IncludedNo
Rear Main Seal IncludedNo
Exhaust Pipe Gasket IncludedNo
Valve Stem Seals IncludedYes
Timing Cover Gaskets IncludedNo
Timing Cover SealNo
Water Neck Gasket IncludedYes
Valley Pan IncludedNo
Fuel Pump Gasket IncludedNo
Distributor Gasket IncludedYes
Fuel Injector O-Rings IncludedNo
Upper Intake Manifold Plenum Gasket IncludedNo
Head Fasteners IncludedNo
QuantitySold as a kit.
Notes4.165 in. bore, 0.066 in. thick head gasket.

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