For 4.8 5.3 5.7 6.0L LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit UK

4 Port Coolant Steam Crossover Hose Kit. To install, bolt the coolant ports to the heads. Now wrap thread tape on the NPT threaded ends of each hose, then thread into coolant port and tighten. Next install the 4AN tee fitting on the rear of the engine, then run the 19.5" long hose to the front 4AN cross fitting.

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