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Rocker Studs, SB Chevy, SB Ford, 3/8" Screw In Studs w/ Hex/Jam Nut

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Product Description

Rocker Arm Studs, 3/8" Top

Used on SB Chevy and Ford stud mount applications.


Order a set of sixteen chrome moly rocker studs here.

Intended for heads which are already machined to accept screw in studs or for heads which will be converted from press in to screw in studs by your local machine shop. Stud boss machining required.


Rocker Specs:

  • 3/8" National Fine top threads
  • 7/16" National Course threads, mounting end
  • 2.475" Overall length
  • 1.790" Effective Length
  • 5/8" Hex / Jam Nut
  • Chrome Moly Steel w/ rolled threads
  • Manufactured by Elgin Industries
  • See picture for various measurements


NOTE-Will not fit 85 up SB Ford w/ 5/16" threads without machine work. SB Chevy and Ford heads w/ pressed in studs will require machine shop labor. The stud boss not only needs to be tapped but also must be milled down the thickness of the hex / Jam nut plus the thickness of guide plates if they will be used.

*Do not install crimp style adjuster nuts w/o appropriate lubrication

Alex’s Parts: The smart choice in valve train parts.

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