ARP 134-7103 High Performance Series Rocker Arm Stud Kit 042511053632 the medium ball point does

the medium ball point does not damage or break knitted fibers

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Channel design on body allows the legs to adjust to fit a wide range of applications and keeps the drive centered

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ARP 134-7103 High Performance Series Rocker Arm Stud Kit 042511053632 the medium ball point doesBrand ARP Model 134 7103 ROCKER ARM STUD 16PK 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. ARP rocker studs are concentric within . 005 T. I. R. thread pitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extra large radius