Frankenstein Engine Dynamics
LS -4AN Steam Port Kit - With T Fitting
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- This steam port system circulates coolant between cylinder heads behind and in front of the valley tray and will not interfere with stock or aftermarket intake manifolds. The “T” fitting provides a return line to the radiator.
- More precise and reliable tuning are the benefits of efficient cooling and equalized engine temperatures.
- The FED LS steam port kit equalizes engine and cylinder head temperatures by promoting additional coolant circulation between the ends of opposing cylinder heads.
- FED steam port kit provides a return line to safely remove air pockets, steam and coolant back to the radiator where pressure is released.
- Designed for all LS heads fitted with -4AN steam ports.
- Kit includes sufficient hose length and fittings for a return line to the water pump or radiator.