JMF: 4G63 Exhaust Manifold Head Flange - 1-1/4"
4G63 exhaust manifold head flange. CNC machined from 1/2" 304 stainless steel. Pocketed bottom side allows for less warpage during welding. Ports are 3D contoured to transition from the size of the head port to the size of schedule piping. Includes (1) head flange.
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