Available in both High Performance and Pro Series models. Performance Upgrade. When installing a new set of performance rocker arms in your V8 Mustang do it right the first time with a set ARP... 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. LT4 Rocker Arm Studs ARP Rocker Arm Stud Kit For GM Gen V 6.2L LT1/LT4 Engines - High Performance Engine Building Hardware ARP Rocker Arm Stud Kit For GM Gen V 6.2L High Performance Stud Kit ARP 100-7101 Rocker Arm Stud Kit For Small Block Chevy/Ford 7/16 Arp Ls Rocker Arm Bolts An extra large radius base offers greater resistance to flex. ARP Rocker Arm Stud Kit, Small Block Chevy 3/8" top x 7/16" - CP Performance Lengths are exact designed to provide positive seating every time. thread pitch to thread pitch.
