【Vehicle Fitment】 For 1963-66 Ch/e/vy C/K C10/C20/C30 Pickup V8 【Radiator Sizes】Overall Size: 22.4" *25.2" (Include the inlet outlet)，Core Size: 17.4" *22.76" *1.73"(442*578*44mm)，Inlet/outlet: 1.77"/1.77"(45/45mm) 【Radiator Material】 The core of the radiator is welded in vacuum brazing furnace, no epoxy. 【Simple Installation】Direct OE replacement with drop-in precise fitment and easy installation 【Fit type】Vehicle Specific ZAP 3-Row Full Aluminum Radiator Compatible with1963 1964 1965 1966 Che/vy C/K C10/C20/C30 Pickup V8