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DeWitts 6339063M
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DeWitts LSX Swap Direct Fit Aluminum Radiator 1963-1972 Corvette


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DeWitts LSX Swap Direct Fit Aluminum Radiator 1963-1972 Corvette $1,155.99
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To order this item contact Customer Service at 1-800-345-4545.
LSX Swap Direct Fit Aluminum Radiator
  • 1963-1972 Corvette
  • Polished Finish
  • Single 16" Electric Fan
  • Manual Transmission
  • DeWitts 6339063M Details

    Direct Fit Aluminum Radiators

  • LSX Swap

    This radiator is a Direct Fit for all 1963-72 Corvette with LS engines with manual transmission. This radiator is made to fit the original SB core support. The radiator with pin mounts on the bottom and loop on the top middle of radiator. Inlet and outlet are on the passenger side, filler neck, stem line, and temperature switch on passenger side. This radiator features formed end tanks, dual row core, and serpentine fins. This radiator will provide 40% + cooling over the Stock Copper radiator. Features Single 16" Spal High Performance fan. It is also epoxy free. It will fit into the stock core support. Radiator comes with 2 rows of 1" tubes, Spal fan, Billet DeWitt's Cap, Temp sensor in the radiator, stem line, Relay, and wiring. This model has a filler neck on the radiator, which eliminates the stock Harrison overflow tank.

  • Specifications:

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    DeWitts Chevrolet Corvette Direct Fit Aluminum Radiators are designed to install into the stock mounting and use the factory connections without any modifications or adapters. Many companies offer replacement radiators and most of them require some alterations, even when they claim they fit. Each DeWitts Direct Fit radiator starts with a USA made core that is furnace brazed. These cores feature two rows of cooling tubes, serpentine fin and they are epoxy free. Press formed end tanks are manually tig welded by expert craftsmen, providing the ultimate in strength and appearance. Finding the perfect radiator for your build is simple with optional electric fans and several finish options.

    DeWitts optional "Black Ice" finish is a product specifically designed to adhire to aluminum without any reduction in heat transfer. This is a special two part epoxy paint that is chemically hardened and it shrinks as it cures to a thickness of .001". Every DeWitts aluminum radiator is available with a Black Ice coat as an option.



    • All Aluminum Construction, No Epoxy
    • Simple Installation, No Modifications Needed
    • Two Row Cores
    • 30% More Heat Rejection Than Stock Radiators

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.