Description
The STM modified OEM water necks for the Evo 6/7/8/9 is available with a convenient 1/8″ NPT bung welded right on top for a clean install for your water temperature sensor and gauge. Also available with the -AN bung option to connect -10AN, -12AN or -16AN lines and fittings to your upper radiator outlet.
If you’re running a larger exhaust manifold, the factory-style coolant hoses get in the way. Installing a half-size or JDM radiator that moves the upper neck to the right of the engine bay can eliminate that problem!
Vehicle Fitment:
Mitsubishi Evolution 6/7/8/9
• Not compatible with Evo 1-5
• Not compatible with the STM Billet Radiator (See Radiator Cap Relocation)
More Options:
• Check out the STM -AN Upper Hose Kit
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