ARP Rocker Arm Stud Kit Heads With Roller Rockers and Stud Girdle 334-7204

ARP Rocker Arm Stud Kit 

Fits Heads With Roller Rockers And Stud Girdle

ARP #334-7204 or 3347204

Fastener Style: Stud
Bolt Quantity: 16
Includes Nuts: No
Includes Washers: No
Material: Pro Series 8740 Chrome Moly
Yield Strength: 180,000 PSI
Tensile Strength: 200,000 PSI

Specifications: (See Image)
(B) Installed Height    2.000˝
(C) Screw-in Depth   .750"
(D) Adjuster Thread Length    0.800˝
(E) Adjuster Diameter-Pitch    7/16-20
(F) Screw-in Diameter-Pitch    7/16-14

8740 Chrome Moly: Until the development of today’s modern alloys, chrome moly was popularly considered a high strength material. Now viewed as only moderate strength, 8740 chrome moly is seen as a good tough steel, with adequate fatigue properties for most racing applications, but only if the threads are rolled after heat-treatment, as is the standard ARP production practice. Typically, chrome moly is classified as a quench and temper steel, that can be heat-treated to deliver tensile strengths between 180,000 and 210,000 psi.