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ARP 200-7202 Engine Rocker Arm Stud

Manufacturer

ARP

<p>Today, ARP&rsquo;s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.</p>

Part Number

200-7202
03/04/2034 6:48 PM
Sale Price

$104.43

In Stock (5)

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Product Details

ARP 200-7202 Engine Rocker Arm Stud

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, .750 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, .750 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

Products specifications

Adjuster Thread Depth

0.85

Base Dia/Thread

7/16-14

Base Thread Length (in)

0.750 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

0.75

Shank Dia/Thread

7/16-20

Stud Height

1.895

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