Mr. Gasket
Performance Thermostat Gasket Fits 1965-1990 396-454 Big Block Chevrolet 1955-1992 262-400 Small Block Chevrolet 1979-1982 318/360 Small Block Mopar 1992-2003 3.9L/5.2L/5.9L Magnum Mr Gasket
SKU: M00S 740C
Description
Part #: 740C
This is a high quality gasket that will seal that leaking water neck, and provide you with years of service. This gasket works well in all applications.
Features:
- Made From Cellulose/Nitrile Composition
- Provides Excellent Sealing And Durability
- These Gaskets Are Die Cut For a Precision Fit
- Fits Small Block Chevy V8 Engines 1955-'90
- Fits Big Block Chevy V8 Engines 1965-'90
- Fits Small Block Chrysler 318/360 1979-'92
- Fits Small Block Chrysler 3.9L/5.2L/5.9L Magnum 1992-'03
Fits 1965-1990 396-454 Big Block Chevrolet - 1955-1992 262-400 Small Block Chevrolet - 1979-1982 318/360 Small Block Mopar - 1992-2003 3.9L/5.2L/5.9L Magnum
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
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Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 740C |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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