WES15
This is a stud kit with 5/16th UNC thread at the "manifold side" and 5/16th UNF thread on the "carburetor side".
The total length of the stud is some 44mm.
The stud comes complete with a so-called Thackery Washer and a Nyloc nut.
This product is priced, and sold, as a set, as depicted in the photograph.
This is Our Article Number: WES15
* Made in The United Kingdom *