I wouldn't fool with the central long bolt. The only reason to change the 2 small bolts is if the allen heads were gomer'ed up. None are "torque to yield" one-time use type. I coat anti-sieze on the threads.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans