Cold Case Aluminum 21" Radiator - 77-87

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***This item is available to be drop shipped.  Prior to ordering online, please call or message the shop.***

1977-1987 Chevy/GMC Truck Aluminum Performance Radiator. This is the radiator that is 21 Inch high overall. See GMT556A for the 19 Inch high version.

These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models. These radiators are original appearing and have the correct stamping. Once painted, you'd be hard pressed to find a difference over an original versus a COLD-CASE.

  • 100 percent TIG welded
  • All Aluminum
  • 2 Rows of 1.25 Inch tubes
  • Polished OE style tanks
  • 16 fins per inch
  • Corrugated fins that give more surface area and more thermal transfer
  • Pressure tested
  • For automatic trans
  • Direct fitment for 77-87 GM Truck

Radiator Specs

  • Core Height 18.8 Inch
  • Core Width 28.35 Inch
  • Overall Height 21 Inch
  • Overall Width 34.33 Inch
  • Overall Thickness 3 Inch
  • Tubes (2) 1.25 Inch Tubes
  • Upper Hose 1.50 Inch
  • Lower Hose 1.75 Inch
  • Trans Cooler Fitting: 5/16" Inverted Flare
Trans Cooler Fitting Size: 
5/16 Inch Inverted Flare

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