OptiTorque Rocker Arm Stud - 7/16-14 in Base Thread - 3/8-24 in Top Thread - 1.900 in Effective Stud Length - Black Oxide - Small Block Chevy (Set of 16) 52420 now known as Cloyes Gear

now known as Cloyes Gear and Products

Heavy duty 4340 chromoly construction

increased cornering grip and better tyre life - ultimately improving overall performance

piston stop and instructions

OptiTorque Rocker Arm Stud - 7/16-14 in Base Thread - 3/8-24 in Top Thread - 1.900 in Effective Stud Length - Black Oxide - Small Block Chevy (Set of 16) 52420 now known as Cloyes GearProduct Description: Rocker Arm Stud 7 16 14 in Base Thread 3 8 24 in Top Thread 1. 900 in Effective Stud Length Steel Black Oxide Small Block Chevy Set of 16 OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.