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Part number: 234-7206
Product Details
ARP 234-7206 Pro Series Rocker Arm Stud Kit, Chrome Moly Steel With Black Oxide Finish, For Select Applications
Products specifications
Adjuster Thread Depth 0.85
Base Dia/Thread 7/16-14
Base Thread Length (in) 0.850 in.
Base Thread Size 7/16-14 in.
Effective Stud Length (in) 1.900 in.
Guideplate Locator Shank Yes
Quantity Sold as a set of 16.
Rocker Arm Nut Thread Length (in) 0.850 in.
Rocker Arm Nut Thread Size 7/16-20 in.
Screw-In Thread Depth 0.85
Shank Dia/Thread 7/16-20
Stud Height 1.9

If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in, you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. The solution ARP quality. ARP rocker studs are concentric within .005 T.I.R. thread pitch to thread pitch. They run-in straight and true, and the extra-large radius base offers greater resistance to flex. Lengths are exact -- designed to provide positive seating every time. These Pro series rocker arm studs are from premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 200,000 psi. ARP's patented Perma-Loc adjusters (available separately) should be used, not OEM-style self-locking nuts. It is highly advisable to determine what the optimum rocker arm stud length is for your particular application. This is especially true when "long" pushrods and valves are employed -- you should raise the "installed height" of the rocker arm to compensate for the longer-than-stock components. The dimensions for these studs are: 1.900 overall stud height, .850 screw-in thread depth, .850 adjuster thread depth, 7/16-20 shank diameter and thread, and 7/16-14 base diameter and thread.

  • Designed for use with ARP's patented Perma-Loc adjusters, not OEM-style self-locking nuts
  • Stud dimensions are: 1.900 overall stud height, .850 screw-in thread depth, .850 adjuster thread depth, 7/16-20 shank diameter and thread, and 7/16-14 base diameter and thread
  • Made from premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 200,000 psi; designed for competition applications
  • Lengths are exact, designed to provide positive seating every time
  • Manufactured to high tolerances so they run-in straight and true, and the extra-large radius base offers greater resistance to flex
Reviews
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I recently needed head bolts for my 408 stroker motor that I'm building. I searched the Internet and Autoplicity had the ARP Head Bolts that I needed. Great price and quick shipping. Will definitely buy from again!!
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I found your site very easy to get around in.
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Mazda cargo mat for the CX-9  SUV came within 1 week.  Mat fits perfectly; just as described.   Autoplicity had the best price listed for this product; we are very pleased.
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Great prices for the springs I got. Def. the cheapest around! Everything was fast and straight forward.
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