S&S stainless steel base nuts for Shovelhead engines in 1936-' 84 Harley-Davidson® big twin models. 7/16" Hex allows the use of box end wrench to tighten base nuts on S&S Sidewinder® cylinders for shovelhead engines. Requires .375"-.400" stud engagement - stud height may need to be adjusted.
This is a direct replacement for Harley-Davidson® part number 16602-30.
Note: All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D® part number shown.