Blower stud and nut kit. This is a kit that includes eight hard anodized alum. nuts, eight AN washers and eight hard anodized alum. studs. This kit fits all Littlefield, Blower Shop, Mooneyham, BDS and standard GM superchargers.
The threads are a 7/16-20 on the nut side of the stud and on the manifold side a 7/16-14. The unique feature of these studs are that they have an internal broached hex that make installation a snap with a wrench. The hard anodizing helps prevent galling and the alum. provides light weight while providing a safety factor in the event of a supercharger backfire saving your supercharger or manifold.
Measurements of the blower stud are coarse thread is .850", shoulder is .800", fine thread is 1.20" with a .275" installation hex.
It will not fit PSI, SSI, Fowler or Kobelco superchargers.
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