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Mr Gasket Overhaul Gasket Kit 305-350 Small Block (87-91 Corvette C4)Find parts that fit my vehicle

Item EK-25-878066-1
Eckler's no longer carries the Mr Gasket Overhaul Gasket Kit 305-350 Small Block (87-91 Corvette C4). Please check out 1953-1962 C1 Corvette Engine for an updated selection.
38 Reviews of Mr. Gasket
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    Product Information

    Features, Description, Q&A

    Features

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    • Designed for Maximum Sealing of Bi-Metal (Cast Iron Block/Aluminum Cylinder Head) Engines
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    • Ultra-Seal Cylinder Head, Intake, Exhaust, Valve Cover, and Oil Pan Gaskets
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    • Mr Gasket Performance Timing Cover, Fuel Pump, Thermostat, Water Pump, and Rear Main Seals
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    • For OE Replacement, High Performance Street, Drag Race, and Oval Track Use
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    • Emission Code Five
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    • Engine Chevrolet Small Block Gen II (LT Based)
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    • Exhaust Port Shape Square
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    • Exhaust Port Size 1.45 Inch x 1.55 Inch
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    • Head Gasket Bore 4.130 Inch
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    • Head Gasket Compressed Thickness 0.038 Inch
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    • Head Gasket Material Ultra-Seal
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    • Header Gasket Material Ultra-Seal
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    • Header Gasket Thickness 0.062 Inch
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    • Intake Manifold Gasket Material Ultra-Seal
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    • Intake Manifold Gasket Thickness 0.060 Inch
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    • Intake Port Shape Rectangular
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    • Intake Port Size 1.25 Inch x 2.00 Inch
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    • Oil Pan Gasket Material Ultra-Seal
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    • One Piece Oil Pan Gasket No
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    • Product Type Gasket Kits
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    • Rear Main Seal Style One Piece
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    • Valve Cover Gasket Material Ultra-Seal
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    • Valve Cover Gasket Thickness 0.187 Inch
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    • Limited Ninety Day Warranty
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    • Weight 2.0600 Pounds
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    • Fits 1987-1991 Corvette C4
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    Description

    Premium Overhaul Solution. The Mr. Gasket Overhaul Gasket Kit 305-350 Small Block provides a complete sealing package for engine rebuilds, ensuring optimum sealing and durability for Chevrolet 305-350 Gen I Small Block engines. This kit includes all essential gaskets and seals needed for various engine components, making it a critical replacement part for engine overhaul and maintenance. It is designed to support original equipment replacement as well as high-performance street, drag, and oval track racing applications.

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    Construction and Appearance. This kit features Ultra-Seal material for cylinder head, intake, exhaust, valve cover, and oil pan gaskets, known for superior sealing properties, especially on bi-metal engines with cast iron blocks and aluminum heads. The seals and gaskets are engineered with precise thicknesses for optimal fitment and durability. All components display a consistent high-quality finish tailored for professional engine rebuild use.

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    Installation. Installation of this gasket kit requires mechanical knowledge and standard engine teardown tools. No special drilling or modifications are necessary, making it suitable for professional mechanics and experienced enthusiasts.

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    Warranty. This product includes a limited 90-day warranty covering manufacturing defects and material quality.

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    Application. Specifically fits the 1987-1991 Chevrolet Corvette C4 equipped with 305-350 Gen I Small Block engines. No exclusions are noted for this specific vehicle within the given years.

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    4.5

    Reviews of Mr. Gasket Classic Engine Products (38)

    Questions & Answers

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