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 With plans of continuing an iconic product recognized as the leader in copper and brass cooling systems for over 90 years, Johnson’s Hot Rod Shop acquired the tooling, equipment, and proprietary manufacturing techniques from Walker Radiator Works and has moved forward as Johnson’s Radiator Works since 2021.  

 America’s #1 Street Rod radiator will continue to live on as a USA made product right here in Gadsden, AL. Johnson’s Hot Rod Shop is committed to continuing the same standard of excellence set forth as each radiator will continue using the finest quality materials available. There is a reason why your stock radiator was originally copper/brass. When it comes to heat transfer and keeping your coolant cool, nothing beats it. We know what it takes to stay cool with over 30 years experience Johnson’s Hot Rod Shop has acquired building award winning hot rods and trucks - it is no question that we instill the same quality and principles into our radiators. Copper has been, and will be the foreseeable future – the ultimate material for heat transfer, long lasting durability, and easily repairable.

Cooling your high-performance vehicle, everyday driver, or rare classic car should come with absolute peace of mind, and JRW has you covered. Why choose us? And why copper/brass? To start, copper has a 40% more thermal cooling efficiency over aluminum. Paired with a proprietary fin design we use with over 600,000 louvers in each radiator. This eliminates air boundary build up inside the core. Vehicles from the 1930’s have up to 40% less core size than today’s cars/trucks. Most of these cars are equipped with 400-500hp, AC condensers, and are daily driven demanding a resilient cooling system - and that’s where we come into play. Johnson’s Radiator Works radiators feature a 4-row, 2 ¾” thick - high-flow copper core, ideal for the best cooling efficiency possible. Built as a direct fit for a stock replacement complete with the appropriate connections. Made with heavy gauge steel side brackets and mounting holes pre-stamped. Includes an optional built-in oil cooler for automatic transmissions. The product line has been expanded to applications for all popular stock 50’s, 60’s, 70’s and 80’s cars and trucks and as always - we can custom build most anything.