Check the BS1010K remote booster from Master Power Brakes.
http://www.mpbrakes.com/products/product-detail.cfm?product_id=221 Is that what you had in mind?
Or the Midland MIDC3400G from Parr Automotive
http://www.parrautomotive.com/ Also check out the reprint from Street Rodder at
http://www.chtopping.com/StreetRodder4/ regards,
Leon