Champion Cooling Systems, 2 Row with 1" Tubes All Aluminum Replacement Radiator For 1970-1981 Pontiac Firebird / Trans Am, Engine applications: 3.8/4.3/4.9/5.0/5.7/6.6, V6/V8 , American Eagle Part #AE573 Core Dimensions: 17" high x 27 1/2" wide Overall Dimensions: 18 3/8" high x 32 1/2" wide Hose Locations: In-Driver 1 1/2" / Out-Driver 1 1/2" Trans Cooler: Included / Mounting: Saddle High-rated 2 Row Core with 1" Cooling Tubes, Cools 750hp!!