PART NO. SPL.PAGE DESCRIPTION
AEH194 15.A.16 Stud for exhaust pipe flange (3) -(exhaust and inlet manifold, 1500)
AEH194 16.A.15 Stud -exhaust pipe flange (3) -(inlet and exhaust manifold, 1600)
AEH194 TC.A.21 Stud for outlet flange (6) -(exhaust manifold, engine, Twin Cam)
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Item 12 in the image above, this stud is 3/8-UNC x 3/8-UNF x 1-3/4 long,zinc coated steel. The special drawing number is due to extra (non-standard) thread length on the longer fine thread end. These studs are long enough to double nut the assembly without the lock washers.
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