Part Number 15903

GM V8 4 & 6 Pass Dual Circuit Tube & Fin Cooler


Featuring a free-flowing 4 & 6 pass cooler in one compact package and fabricated of 1/2" copper tubing and aluminum cooling fins, this Made-in-the-USA Dual-circuit cooler includes 2 each 11/32" and 2 each 1/2" barb inlets. It provides heat transfer capabilities for engine and transmission and kit also comes with a large diameter thermostatic sandwich adapter, cooler mounting rods, insta-dapt radiator adapter, hose clamps and 13/16-16 engine thread size to accommodate most GM small and big block V8 models. Made in the USA.

  • 1/2" copper tubing expanded into aluminum cooling fins
  • Cools two systems in one compact package
  • 4 & 6 pass cooler design
  • Black Powder coat finish
  • (2) 11/32" barb inlets & (2) 1/2" barb inlets


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