On the gaskets you just don't know if they'll stay intact until you take them off. If they tear you can make new ones pretty easy. If don't think I'd use RTV. Aluminum paint works pretty good though to seal gaskets. And you won't need a ring compressor. There are only two rings. One word of caution. There are some little tits (for lack of a better word) that are in the ring groove. Be sure you get the ring gap around the tits. It keeps the rings from turning. If you try to put the cylinder on with the gaps somewhere else you won't like it. It's no big deal, just something to look for.........................

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