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9L Diesel 12-Valve with ARP Diesel Main Stud Kit 247-5402 from OCDiesel
Race tuning required
The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas
We also take a step further and upgrade the factory plastic threaded adapter to a steel adapter
The kit is complete with a die-cast support bracket
2011 - 2016 Ford EcoBoost Passenger Side Exhaust Manifold (1043004) 2023 - 2024 GM 3.0L Exhaust Systems 9L Diesel 12-Valve with ARPThe 2011 2016 Ford 3. 5L has an inherent design flaw where not all of the OE stud locations are utilized by the OE manufacturer which leads to warped exhaust manifolds, broken exhaust studs and blown manifold gaskets. The cylinder head on Fords 3. 5L Gas Ecoboost has threaded holes for 11 exhaust studs to be used, however the OE manifold only utilizes 8 of those stud locations. BD has designed a manifold that not only utilizes all 11 stud locations,