What can we use to replace the brake fluid reservoir cap? Mine is leaking.

So my TurboXS has a stripped screw, and I have been researching other ones to purchase.   While browsing, I see that the same basic model (ball/spring) are installed differently.   Here is TURBO XS from their website:   http://i1221.photobucket.com/albums/dd461/Preludedude1/turboxs.jpg   And here is NXS from their website:   http://i1221.photobucket.com/albums/dd461/Preludedude1/single_turbo.jpg   If these are both basic standard ball/spring setups, then WHY does the boost source and wastegate

Hey how everyone doing my head gasket took a s*** . The head crack and the block was ran with water all it life so is all rusted inside . Am looking for a long block maybe even a short Block. Can be stock or build . Am in California los angeles Am welling to drive a few hours if it well worthy. I can buy a use motor but i drive 80mile to work and back. I have cash and a 83 hood so let me thanks. Text me call me 562 481 8479

Hey how everyone doing my head gasket took a s*** . The head crack and the block was ran with water all it life so is all rusted inside . Am looking for a long block maybe even a short Block. Can be stock or build . Am in California los angeles Am welling to drive a few hours if it well worthy. I can buy a use motor but i drive 80mile to work and back. I have cash and a 83 hood so let me thanks. Text me call me 562 481 8479