STM Billet Water Neck Replacement Fitting Progress Tech Available bare aluminum for gasoline

Available bare aluminum for gasoline use or anodized black

(16) Seat Locators

What is Weld Purging

making it an essential upgrade for turbocharged engines

and spiral locks or rail supports depending on application

STM Billet Water Neck Replacement Fitting Progress Tech Available bare aluminum for gasolineSTM replacement fittings for the STM Evo 6 9 billet water neck. If you've changed your radiator setup, STM also offers these interchangeable outlet fittings individually for the 35mm stock hose, 10AN, 12AN or 16AN lines. Vehicle Fitment: For the STM Billet Water Neck Mitsubishi Evolution 6 7 8 9 Features: Interchangeable with the STM Billet Water Neck 6061 Aluminum USA Made in house at STM Lifetime Warranty on STM Parts to the original purchaser