By re-routing the coolant through the core three times the coolant travels farther in the temperature reducing air-flow and the additional time spent dropping temperature results in amazing heat transfer rates. Copper/brass construction to ensure dependability. (note: Tripleflow option requires that inlet and outlet be on opposite sides and must use auxillary tranny cooler for automatic transmission vehicles)

Available in Standard Automotive, High Efficiency, High Efficiency Tripleflow, Optima Tripleflow

Core Size 15-1/2 x 25-1/2

Available Rows 3 or 4

Flow Type Downflow

Inlet Size 1-1/2"

Outlet Size 1-3/4"

Factory Air N/A

Cooler Yes

Cooler Size: 12-1/2x5/16 IF

Core Thickness 2-5/8

U.S. Radiator is dedicated to cooling system testing. Research and development is a never ending quest for the best solutions our has to offer the high performance automotive enthusiasts. With this dedication, we bring our customers fact-based, extensively tested products to enhance their driving enjoyment. The quality and performance of our radiators takes priority over all other aspects of our business, and are produced daily in the same factory by the same journeymen that design and assemble all of our high performance street rod, custom car and racing radiators. U.S. Radiator performance customers benefit from our ability to build a finished product from a concept with the same exacting and precise quality that so many big names in their respective industry have come to rely upon.

More Information
year make model	1964-1965 Chevy Chevelle
Manufacturer	US Radiator
More Info	Standard Automotive Core: Based on 60’s style core with 1/2” tubes on 9/16” centers; the standard automotive core units are drop-in, stock replacements. Made from all new material they offer the highest quality for your stock application. Available in Normal Duty, Heavy Duty and Desert Cooler styles. High Efficiency Core: Copper 80’s style core with 1/2” tubes on 3/8” centers. Increased cooling efficiency without modifications to car. 4 row High Efficiency offers more cooling efficiency than aluminum cores due to tubes on 3/8” centers. Copper/brass construction to ensure dependability. Available in Normal Duty, Heavy Duty, Desert Cooler and Tripleflow™ styles. High Efficiency Tripleflow Core: By re-routing the coolant through the core three times the coolant travels farther in the temperature reducing air-flow and the additional time spent dropping temperature results in amazing heat transfer rates. Copper/brass construction to ensure dependability. (note: Tripleflow option requires that inlet and outlet be on opposite sides and must use auxillary tranny cooler for automatic transmission vehicles) Optima Core: Extreme style copper core with 1/2” tubes on 5/16” centers. Offers 40% more heat transfer points. The most efficient core on the market when combined with increased air-flow and our Tripleflow™ option. Available in Normal Duty, Heavy Duty, Desert Cooler and Tripleflow™ styles.

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