Coolant plug to eliminate the coolant riser tube coming off of the rear engine cover on your LML Duramax. This allows you to eliminate the coolant tube to make more room under the hood or just simply clean up under the hood! This is needed in most applications when using S300 or S400 turbos or when doing a compound turbo setup. Includes high temp silicone o-ring for a long-lasting leak-free seal.
Machined steel 4.62″ flange (S400 flat V) for your S400 turbo. Most Borg Warner S400 T4 turbine housings utilize this style exhaust outlet flange. It has a machined recess to accept a 4″ pipe. Includes heavy-duty quick-release v-band clamp. The flange can be purchased separately without clamp NOTE: Clamp included is a VERY heavy-duty clamp. It is not just your standard cheap clamp that breaks the first time you try to take it off!
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