Not an ERA car, but I used off the shelf braided lines with AN fittings and an adapter to mate with the 3/8" x 24 TPI fittings on the car. The adapters have the groove to take the clips that mount them to brackets on the frame. Here's a link to the Earl's adapters at Summit, but all the major fitting manufacturers make them:
Earl's Performance Brake Adapters 989543ERL - Free Shipping on Orders Over $99 at Summit Racing
The same thing by Russell:
http://www.summitracing.com/int/part...1291/overview/