Mr. Gasket Upper To Lower Intake Manifold Gaskets; 1.50-Inch Port (86-91 Corvette C4)Find parts that fit my vehicle

Performance Replacement Gasket. The Mr. Gasket Engine Intake Manifold Gasket is engineered to provide a reliable seal between the upper and lower intake manifolds of Chevrolet Small Block engines with Tuned Port Injection. It ensures optimal engine performance by preventing air or coolant leaks, which are critical for maintaining engine efficiency and power. This gasket is suitable for both stock replacement and high-performance applications.

Construction and Appearance. Made from a durable cellulose and nitrile composite material, this gasket offers excellent resistance to heat and chemical degradation. Its 1.50-inch round ports and 0.060-inch thickness ensure a precise fit, while the material allows trimming to accommodate modified port designs. The gasket features a flexible yet sturdy texture that enhances sealing reliability.

Installation. Installing this gasket is straightforward with common hand tools; no drilling or special modifications are required. It fits directly between the matched intake manifold components, facilitating an efficient replacement process.

Warranty. This product is backed by a manufacturer’s limited 90-day warranty, covering defects in materials or workmanship.

Application. Specifically designed to fit 1986 through 1991 Chevrolet Corvette C4 models equipped with 305 or 350 Gen I Small Block engines featuring Tuned Port Injection.

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