morgan320i

i used to have a 550 a few years ago and just picked up 2 88 js440s one for me and one for my gf, it was a great deal they are stock and run perfect, looking for some info on a 550 swap, what parts do i need, just head jugs and pistons? or do i need the head and other parts like exhaust? will my 440 carb work for the 550, its runing perfect so i wanna know what i need to buy before i tear it apart, also what are some good starter mods and where can i buy parts , rideplate,impeller, and such, i am a bigger guy 215lbs and i need a tad more low end, it handles good when im up but takes a few seconds to pull me up

thanks

chs_shields

did you ever figure this out? I'm attempting the same thing and everyone seems to swap these over but never tells people how they did it...

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