5 new Cooper AT3 tires mounted/balanced with TPS sensors on Jeep wheels; fit WK2 Grand Cherokee and Wranglers. DRIVEN only 500 miles!
To big and heavy to ship, but will sell at a loss for $649.95 for all 5.
Depending on amount of leak, you may want to get fixed. If you are smelling it, can you see wetness anywhere? Oil leaks can lead to fire if enough leaks onto hot exhaust. I would verify how bad. If to much I would fix it and not chance a fire.
Just remember it is not generally problem with plug failing, todays Iridium spark plugs go a long time; it is more about making sure you can remove them when they do need replacing. I would rather replace early [60-90k] rather than chance stripping threads in head.
The biggest issue in my opinion is plug seizing in head due to carbon buildup on threads and not being able to easily remove it.
This is same type of problem one gets from never rotating tires. Wheels get seized [corroded onto hub] and extremely difficult to remove if you ever get flat and want...