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I'm moving on.... just using the outer studs only to save about 100 bucks, and a DIY angle iron setup. I may post pics , you know ... eventually.

right now I'm welding up the 'extra' EGR ports/holes in the exhaust ports of the heads. plus a little medium port job on the exhaust side heads

AU4.315-1B is 1.75 & 1.25 pitch 12mm the 1.75 has 1.000 inches of thread and the 1.25 has 1.000 inches of thread

AU4.900-1LB is 1.75 & 1.25 pitch 12mm the 1.75 has 1.000 inches of thread and the 1.25 has 1.000 inches of thread

AU4.600-1LB is 1.75 & 1.25 pitch 12mm the 1.75 has 1.000 inches of thread and the 1.25 has 1.000 inches of thread

AU3.965-1LB is 1.75 & 1.25 pitch 12mm the 1.75 has 1.200 inches of thread and the 1.25 has 1.125 inches of thread

AU4.175-1LB is 1.75 &1.25 pitch 12mm the 1.75 has 1.200 inches of thread and the 1.25 has 1.125 inches of thread

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these are the shortest , for anyone using a 3/8" DIY method.

this is all you need besides the angle iron:

(10)AU4.315-1B

(1)200-8537

(1)300-8337