A new gasket, and be sure to scrape as much of the old gasket off as possible. My factory gasket came off in hundreds of pieces no larger than a dime. Worth it if you want it to seal well.
You might want to move. (Or pay someone to move) the exhaust to prevent that from happening again. Exhaust should not be touching the oil pan.
1991 XJ: 35"s, 4:56s 5.5"LA lift, stretched, locked, skids, caged, high steer, spray paint. I think it was stock at one point.
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