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ChampionRadiators.com is owned and operated by Ledfoot Racing, an authorized distributor for Champion Cooling Systems and American Eagle Radiators.

GMC Truck with Pontiac Engine (55-59)

The CC8559 has the mounting brackets on the engine side as well as a 90 degree fill neck. The 5559 series radiators have grill side brackets and a top fill neck. Please make sure you get the correct one for your Truck.
CC8559

CC8559

CC8559
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Champion All Aluminum Radiator
3-Row Core | Cools up to 650hp
Note: Fits the Pontiac V8 engine

Radiator Dimensions:
Total: 29.13" tall (with cap) x 26.25" wide (including brackets)
Core: 22.63" tall x 23.88" wide
Inlet: 1.75" center
Outlet: 1.75" passenger side
Tanks: 2.5" thick
Tubes: 0.63" thick

Bracket Mounted

Radiator Cap included
Transmission Cooler Included (1/2"-20straight thread)

When using electric fans:
One 16" fan recommended for this core size (sold separately)



Compatible With
GMC Truck 1955-1959 Pontiac V8 engine
EC5559

EC5559

EC5559
Click to enlarge image(s)
Champion All Aluminum Radiator
2-Row Core | Cools up to 400hp

EC5559 Radiator Dimensions:
Total: 26.75" tall (with cap) x 26.5" wide (including brackets)
Core: 19.38"1 tall x 21.75" wide x 1.75" thick
Inlet: 1.5" center
Outlet: 1.75" passenger side
Tanks: 2.5" thick
Tubes: 0.75" thick

Bracket Mounted

Radiator Cap Included
Transmission Cooler Included (1/2"-20 Straight Thread)

When using electric fans:
One 16" fan recommended for this core size (sold separately)


Compatible With
Chevrolet Truck/GMC 1955-1959
CC5559

CC5559

CC5559
Click to enlarge image(s)

Champion All Aluminum Radiator
3-Row Core | Cools up to 700hp

Radiator Dimensions:
Total: 26.75" tall (with cap) x 26.5" wide (with brackets)
Core: 19.38" tall x 21.75" wide x 2" thick
Inlet: 1.5" center
Outlet: 1.75" Passenger side
Tanks 2.5" thick
Tubes: 0.63" thick

Bracket Mounted

Radiator Cap Included
Transmission Cooler Included (1/2"-20 Straight Thread)
Aluminum shroud also available (sold separately)

When using electric fans:
One 16" fan recommended for this core size (sold separately)



Compatible With
Chevrolet/GMC Truck 1955-1959