Help keep unmetered air out of the intake manifold joint with this MR. GASKET intake gasket set for the Chevy Small Block (262-400). The Mr. Gasket Intake Manifold Gasket Set 116 is a lower and upper set. It fits many vehicles, among them the 1988-1991 Chevrolet C1500 5.0L / 5.7L and the 1958-1985 Chevrolet Impala 4.6L / 5.0L / 5.3L / 5.4L / 5.7L / 6.6L. Listed engines are V8-4.3L, V8-4.6L, V8-5.0L, V8-5.3L, V8-5.4L, V8-5.7L and V8-6.6L. See the "Vehicles it fits" section for the full list.
This engine intake manifold gasket set suits original equipment replacement as well as high performance street, drag race and oval track use. The listed applications use one set each. Signs that an intake gasket may need replacing include a vacuum leak, a rough idle or a lean condition. Diagnose the cause first. If a failed gasket is responsible, this set replaces it.
Country of origin: Japan.
Interchange: 1266
This part cross-references / interchanges with the following part numbers:
What engines does the Mr. Gasket 116 fit?
It is made for the Chevy Small Block (262-400). Listed applications use V8-4.3L, V8-4.6L, V8-5.0L, V8-5.3L, V8-5.4L, V8-5.7L and V8-6.6L engines. See the "Vehicles it fits" section for every vehicle.
Is this a 1958-1985 Chevrolet Impala 4.6L / 5.0L / 5.3L / 5.4L / 5.7L / 6.6L intake manifold gasket?
Yes. It is listed for the 1958-1985 Chevrolet Impala with V8-4.6L, V8-5.0L, V8-5.3L, V8-5.4L, V8-5.7L and V8-6.6L engines. Check the "Vehicles it fits" section for your exact year and engine.
Can the gaskets be trimmed for modified ports?
Yes. The gaskets can be trimmed if necessary for modified port applications, and they use Medium Modified Port and Bolt Locations.
What are the port dimensions and gasket thickness?
The rectangle ports measure W-1.31 in. x H-2.19 in., and the gasket thickness is .125 in.
What signs suggest an intake manifold gasket may need replacing?
Common signs include a vacuum leak, a rough idle or a lean condition. Diagnose the cause first. If a failed intake gasket is responsible, this lower and upper set replaces it.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
