![Performance Oil Pan Gasket for 1959-1980 Chrysler 361-440 Big Block [0.062 in., One Piece]](https://www.jegs.com/images/mini_750/700/720/720-397.jpg)
Performance Oil Pan Gasket for 1959-1980 Chrysler 361-440 Big Block [0.062 in., One Piece]
A big block Mopar oil pan rail is long, and a multi-piece gasket gives it four extra places to weep. A one piece cork and rubber blend seals the whole run in a single part, and the high density material takes the clamp load without squeezing out from under the rail.
Mr. Gasket 397 Performance Oil Pan Gasket Features:
- Fits 1959-1980 Chrysler 361-440 Big Block B/RB and Gen II Hemi engines.
- One piece oil pan gasket design.
- Suits engines with a two piece rear main seal.
- 0.062 in. thick.
- Manufactured from a high-density cork and rubber blend gasket material.
- For original equipment replacement and high performance street use.
Using quality materials with excellent sealing properties, choose from three durable gasket types: Performance (cork/rubber or composite), Ultra-Seal (cellulose/nitrile), and Molded Rubber (silicone/rubber). All oil pan gaskets are sold individually.
Performance Gaskets
- Manufactured from a high-density cork/rubber blend or composite material
- For OE replacement and high-performance street
- Molded rubber front/rear seals when applicable
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Ultra-Seal Gaskets
- Manufactured from a cellulose/nitrile composite
- For OE replacement, high-performance street, drag race, and oval track
- Designed for engines that create excessive vacuum/pressure in the oil pan caused by crankcase evacuation & dry sump oil systems
- Superior tensile strength and blow-out resistance
- Molded rubber front/rear seals when applicable
Molded Rubber Gaskets
- Manufactured from a high-temperature silicone/rubber blend
- For OE replacement, high-performance street, drag race, and oval track
- One-piece construction eliminates potential oil leak paths
- Torque limiters prevent over-torque of fasteners and gasket splitting
- Washable & reusable
Molded Rubber Gaskets with Windage Tray
- Manufactured from a high-temperature silicone/rubber blend
- Combination Windage Tray & Oil Pan Gasket
- One-piece construction eliminates potential oil leak paths
- Torque limiters prevent over-torque of fasteners and gasket splitting
- Washable & reusable



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