RADIUM Engineering 20-0416 FUEL BRAKE LINE RETAINER KIT, MKIV SUPRA. FUEL BRAKE LINE RETAINER KIT, MKIV SUPRA. Since 2010, Radium Engineering’s goal has been to simply design and produce high quality aftermarket automotive performance products. Radium Engineering relies on a core team with a passion for innovation to lead the company toward advancement in the industry. All Radium products are carefully planned with thorough R&D and designed in-house using the latest computer simulation and modeling techniques. Extensive testing and evaluation ensures the performance of Radium products exceed consumer expectations. For these reasons, top motorsports competitors and enthusiasts worldwide rely on Radium Engineering products. Currently, Radium offers an expanding collection of motorsport parts and accessories for high performance and racing, focusing on their revolutionary fuel surge tank line and PCV oil catch can systems. A growing collection of application specific parts are also being created. Please contact Radium Engineering for more information. Alamo Autosports opened in 1992 and specializes in Japanese and European import vehicles. We are a full service performance shop located in the Dallas & Fort Worth Metroplex. We carry over 200 aftermarket performance product lines, as well as custom fabrication CNC work, tuning, and all of your performance needs. Services and products we offer: complete performance engine builds, in house 2WD and AWD Dynos (rolling road), engine management and tuning, complete fuel system fabrication, performance bolt-on parts, racing radiators and cooling, performance brake upgrades, performance suspension parts, performance exhaust systems, performance drive-train parts, fabrication and welding, complete turbo kits, CNC Darton block sleeving.