LS and LT Radiator for 1964-1967 Pontiac GTO
Tackling tight engine bay real estate in a 1964 through 1967 Pontiac GTO A Body swap project, the 1964-1967 GTO Radiator 15.5 inch tall (Manual Trans) preserves original core height and aligns with factory hose ports. It installs directly into stock mounts without cutting frame rails and maintains the original fan shroud location so coolant flow follows the path intended by Pontiac engineers. With an aluminum core featuring a tube and fin design that pulls heat from coolant rapidly and resists corrosion this radiator keeps LS or LT engines operating at stable temperatures under sustained driving.
Precision Fitment for Stock Mount Installation
This radiator is engineered to match the factory 15.5 inch core height found in 1964–1967 Pontiac GTO A-Body models with manual transmissions, allowing it to drop directly into the original mounting points. By aligning inlet and outlet ports with the stock hose locations, it preserves the factory coolant routing and retains the correct fan shroud position. The direct-mount design eliminates the need for frame-rail modifications, ensuring chassis integrity remains intact and helping to reduce installation time. Installers benefit from reduced fabrication work and a seamless integration that replicates the layout intended by Pontiac engineers.
Tube and Fin Aluminum Core for Rapid Heat Rejection
At the heart of this radiator lies an aluminum core employing a tube and fin arrangement that maximizes surface area contact with passing air. Aluminum's excellent thermal conductivity pulls heat away from coolant quickly, maintaining stable operating temperatures under sustained load or spirited driving. This lightweight construction also helps preserve the classic GTO's front-end balance and steering feel, while resisting corrosion and electrolyte attack over time. Together, these properties deliver consistent cooling performance, even when modern LS and LT engines generate higher thermal loads than the original powerplants.
Selectable Coating Options to Guard Against Corrosion
Buyers can choose between a natural bare aluminum finish or a durable black epoxy coating to suit restoration goals and environmental demands. The uncoated surface allows for rapid visual inspections of weld seams and early leak detection, while the epoxy layer provides a barrier against salt, moisture, and road debris. Both finishes undergo strict quality control to ensure full coverage and lasting adhesion, extending service life with minimal upkeep. This versatility in appearance and protection lets enthusiasts tailor the radiator to their preferred balance of classic style and rugged durability.
Domestic Manufacturing for Consistent Quality and Fit
Each unit is fabricated in the USA using precision tooling and stringent quality checks that guarantee consistent core dimensions, port alignments, and weld integrity. By centralizing production processes-from extrusion of the aluminum tubes to assembly and inspection-variations between individual radiators are minimized. This controlled approach ensures every assembly meets or exceeds factory specifications, providing dependable fitment in vintage GTO chassis. Enthusiasts gain confidence knowing their cooling system is backed by reliable craftsmanship and supports long-term project value.
Built for reliable cooling in LS and LT swaps these radiators ensure stable engine temperatures and for the same radiator but with fans see our 1964-1967 GTO Radiator 15.5" Tall (Manual Transmission) with Fans.