Originally Posted by JDP Motorsports
The clutch reservoir we use is a factory GM reservoir and I've never had an issue with the caps on these. You shouldn't have any issues whatsoever with it leaking over time.
Please feel free to call, email or PM me anytime with questions. Have a great day and I'll talk to you soon!
Sorry, I wasn't clear. I meant the block off cap for the brake fluid reservoir after you remove the line on the cheaper of the two kits you sell.