ARP's Rocker Arm Studs are designed to provide positive seating every time, concentric within .005 T.I.R. thread pitch to thread pitch. They run-in straight and true for consistant rocker geometry. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models.
Note: Not to be used with OEM-style, self-locking nuts. To be used with ARP's patented Perma-Loc adjusters.
High Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180,000 psi. Excellent for E.T. Bracket Racing, limited rule oval track competition and street use. Tip ground flush for optimum adjuster seating.
Pro Series: Designed for competition applications, made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190,000 psi.
Can u use these for roller rockers ?
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