Dave Welch gets right to the point and shows us how to replace the heater core on a classic Chevrolet or GMC Squarebody Pickup. Dave's got a bunch of helpful handy hints with any project and this one is no different. A must watch video if you are preparing to, or in the middle of, replacing your trucks heater core.
Direct Product Link:
Air Conditioning And Heating
https://www.holley.com/brands/brothers_trucks/products/restoration/air_conditioning_and_heating/