Here's where I bought the gaskets
Gear Box Gasket (Part #9) [2S-CP-GBG-#9] - $1.19
Take out the pedals, insert a pipe of some sort and cold bend it, make sure you bend both crank so it will be even. If you don't have a pipe, you can take the crank off, put it in a vise and bend it. This will save you $$ by buying wider cranks.