Description

This ARP 100-7201 BBC Rocker Arm Stud Kit is for Chevy Big Block and GM Vortec heads. They have a 3/8″-24 top thread, and a M10 x 1.50 base thread. Made from Black-Oxide coated 8740 Chromoly Steel and nominally rated at 180,000 PSI. 1.595″ overall stud height. Sold as a set of 16.

ARP 100-7201 BBC Rocker Arm Stud Kit Fits:

• GM 4.3L Vortec V6
• Chevy Big Block Gen VIII 8.1L Vortec V8

Have you have ever installed a rocker stud 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 base offers greater resistance to flex.

NOTE: These studs should be used with ARPs patented Perma-Loc adjusters ONLY. They are not to be used with OEM-style, self-locking nuts.