Try putting the seal in the freezer for a few hours before you install it. It sounds crazy, but it will shrink just enough to be able to slip it right in. I got that tip from a mechanic I know who would put ball joints in the freezer to make them go in easier as well.
'92 YJ, 2.5L, 5-spd, 4" RE standard lift, 35x12.50 Dunlop mud rovers, AA SYE kit, hand throttle, Cobra CB
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