Pro Series Rocker Arm Studs for SVO 351 cid, with roller rockers and girdle

Pro Series Rocker Arm Studs for SVO 351 cid, with roller rockers and girdleIf 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. threadpitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extralarge radius base offers greater resistance to flex. Available

they are the best on the market today

Features an exclusive 12-point cap screw design and appropriate grip length per the application

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

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heat-treated in-house to 190

Nuts not included

The less drag on the motor

Far superior to any other main bolts available for use in competition engines

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

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or if there is deformation

Wide underhead flange and companion washers provide even load distribution