Core Size : 28.23" H x 18.82" W x 2.44" T;Overall Size:33.78" H x 20.59" W ; Upper inlets:1.5" located on the driver side ; Lower outlets : 1.5" located on the passenger side Transmission Oil Cooler: ￠32×215×G1/4（Z）; Trans Cooler: 1/2-20 Straight Thread, G 1/4 ; Includes CNC machined filler neck and cap,OEM Style Brass Petcock Drain All-aluminum design with durable TIG-welded construction (T-5057 aircraft aluminum) Easy To Install: Light weight direct bolt-on replacement, stronger & higher capacity for coolant 12 Months warranty ; If you have any questions, please feel free to contact us, we will solve it for you Fitment:
For GMC C2500 C3500 K1500 K2500 85 86
For CHEVY C/K SERIES C10/C20/K10 PICKUP 73-80
For Chevy Truck,73-91 Blazer (19 x 28-1/4"Core) 73-87
For GM Truck 81-90
For Chevy Pickup Truck 19"Core 85 86 87
For Chevy V Series 1981-1990
For Chevy Blazer 1981-1990
For Chevy K Series 1981-1990
For Chevy C/K Series 19"" TALL 1973-1987
For Chevy Custom Deluxe Truck & Suburban
For GMC C/K Trucks 1983-1985
For GMC K2500 79-84
For Chevy Suburban 87-91
For GMC C25 C2500 C35 73 74 75 76 77 78 79
For Chevy Blazer / Jimmy 1973-1991
For GMC C3500 79-84
For Chevy Silverado Truck, Blazer & Suburban
For Chevy Truck C30 73-90

Package Include:
1 X 4-Row Aluminum Radiator (Includes Radiator Cap)
1 X Aluminum Shroud
2 X 12"" Fans (Includes mounting kits)
1 X Thermostat Relay Kit

FAN SPEC:
Maximum Fan CFM: 2300±200
Fan Diameter X Height X Thickness:12.05"" X 12.05"" X 2.5""
Number of Blades: 10 blades (Plastic)
Amp Draw: 12.70 amps
Maximum Fan RPM: 2,250 rpm

Radiator Details:
All Aluminum Tank and Core
Transmission Oilcooler : Include
Style: Crossflow
Mounting Style: Bolt-On
Hose Locations: IN: Driver / OUT: Passenger
Fitment Type: Performance/Custom
Placement on Vehicle: Engine Compartment

Relay Kit Instructions:
RED + connect directly to battery.
WHITE wire to ignition switch power source.
BLACK goes to thermos switch.
BLUE wire goes to the Fans.

Thermostat Relay Kit:
Universal fit for any automotive vehicle and electric fan.
Activates by grounding electric fans at preset temperature.
180'F turn-on temperature, 165'F turn-off temperature.
3/8"" NPT thread-in brass probe w/ 1/2"" NPT adapter included.