1955-1959 GMC Truck LS Swap 3-Row Black Radiator

$249.98
In stock
SKU
CC5559-ls-black-gmc
3-Row Core | 700hp Rating

Steam port added for LS motors

LS Motor
Keep your classic 1955–1959 GMC truck cool with this high-performance 3-row aluminum black radiator, custom-built for LS engine swaps. Featuring a durable black powder-coated finish, this radiator offers superior cooling efficiency, modern performance, and a clean, stealthy look. Designed for a direct fit, it’s perfect for restorations, hot rods, and custom GMC builds using LS-based engines.

Key Features:
Fits 1955-1959 GMC trucks with LS engine conversions
High-efficiency 3-row aluminum core
Sleek black powder-coated finish for durability and style
Direct-fit design for easy installation
Improved cooling capacity for high-horsepower setups

1955-1959 GMC Truck LS Swap 3-Row Black Radiator

3-Row Core | 700hp Rating



1955-59 gmc truck ls black radiator dimensions

Radiator Dimensions:

Total: 26.75" tall (with cap) x 26.5" wide (including brackets)
Core: 19.38" tall x 21.75" wide x 2" thick
Inlet: 1.25" Passenger side
Outlet: 1.5" Passenger side
Tanks 2.5" thick
Tubes: 0.63" thick


Whats Included

Bracket Mounted
13lb. Radiator Cap included
Transmission Cooler Included (1/2"-20 Straight Thread, Inverted Flare)
Steam port added for ls motors

1955-1959 gmc truck ls swap 3-core radiator



Add On Options



Thermostat / Relay Kit:

Our Waterproof Thermostat Relay Kit turns your fans on when the temperature of the engine reaches 185° and off at 170°

POLISHED OVERFLOW TANK:

Twist-in aluminum cap ,Holds up to 18 fluid ounces, Polished Aluminum, Universal Mounting Brackets

single fan relay kit


More Information
Engine Chevy LS
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