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What exhaust manifold studs do you suggest mounting your manifold on a 2012 cummins. Thanks, hearing alot a different opinions, studs, the spacers regular steel , stainless ect ect.
Manifold to cylinder head --- My best recommendation (regardless) is our stainless allen head bolts or studs. I would add the Nord lock - lock washers to either combination for a successful installation .
Long story short ...
With high heat cycles, movement will happen. The Nord lock Aircraft style lockwashers cannot be beat.